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Geometry, NAP-C4-NC10

A car travelling south-west along Jake Road takes a 90° turn left into Benson Road.
 

 
In which direction will the car be travelling along Benson Road?

 
`text(south-west)`
 
`text(north-east)`
 
`text(south-east)`
 
`text(north-west)`
Show Answers Only

`text(south-east)`

Show Worked Solution

`text(south-east)`

Filed Under: Maps and Bearings, Maps and Bearings, Maps and Directions Tagged With: Band 7, smc-3164-10-Compass directions, smc-3187-10-Compass directions, smc-670-10-Compass directions

Number, NAP-C4-NC09

A walking path near the beach is paved for half the length, cobbled stone for `3/10` of the length and then grass for the rest of the path.

For what fraction of the path is it grass?

`1/5` `3/10` `3/5` `8/10`
 
 
 
 
Show Answers Only

`1/5`

Show Worked Solution

`text(Percentage of the path that is grass)`

`=1-(1/2 + 3/10)`

`=1-8/10`

`=1/5`

Filed Under: Fractions and Decimals, Fractions and Decimals Tagged With: Band 7, smc-3175-30-Fractions – Word problems, smc-663-30-Fractions - Word problems

Algebra, NAP-D4-NC14

Farmer Jim uses 5-strand wire fencing around his paddocks.

His fences have 3 barbed wire strands and 2 plain wire strands, as shown in the diagram below.
 

 
Barbed wire costs `$b` per metre. Plain wire costs `$w` per metre.

Which of these expressions gives the total cost of the wire needed for a fence of length `F` metres?

`5bwF` `6bwF` `6(b + w)F` `(3b + 2w)F`
 
 
 
 
Show Answers Only

`(3b + 2w)F`

Show Worked Solution

`text(C)text(ost of 3 metres of barbed wire)`

`=3b`

`text(C)text(ost of 2 metres of plain wire)`

`=2w`

`=>\ text(C)text(ost of 1 metre of fencing)`

`= 3b + 2w`

`:.\ text(C)text(ost of)\ F\ text(metres of fencing)`

`=(3b + 2w)F`

Filed Under: Harder Equations, Harder Equations Tagged With: Band 7

Measurement, NAP-D4-NC13

Pablo cuts a square out of a rectangular piece of paper, as shown below.

The square Pablo cut out has a side length of 6 cm.

Which of these expressions gives the area of Pablo's piece of paper after cutting out the square?

`(28 xx 20)-(6 xx 6)` `(22 xx 14) + (6 xx 6)`
 
 
`(28 + 20)-(6 + 6)` `(28 + 20) + (6 xx 6)`
 
 
Show Answers Only

`(28 xx 20)-(6 xx 6)`

Show Worked Solution
`text(Area)` `=\ text(Area of larger rectangle − Area of square)`
  `= (28 xx 20)-(6 xx 6)`

Filed Under: Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3183-30-Area – Composite shapes, smc-669-30-Area - Composite shapes

Number, NAP-D4-NC12

Which position is closest to `1/3` on this number line?
 


 

`text(A)` `text(B)` `text(C)` `text(D)`
 
 
 
 
Show Answers Only

`text(C)`

Show Worked Solution

`text(S)text(ince there are 12 intervals between 0 and 1.)`

`1/3 = 4/12`

`=> text(C is closest to)\ 1/3.`

Filed Under: Fractions and Decimals, Fractions and Decimals Tagged With: Band 7, smc-3175-85-Fractions/Decimals and number lines, smc-663-85-Fractions/Decimals and number lines

Measurement, NAP-D4-NC10

Manou is cooking dinner for some friends.

The cooking times for the three ingredients of his main meal are in the table below.
 

 
Manou starts cooking the quail at 7:15 pm.

He wants everything to finish cooking at the same time.

At what time should Manou start cooking the brown rice?

`text(8:00 pm)` `text(8:10 pm)` `text(8:20 pm)` `text(8:30 pm)`
 
 
 
 
Show Answers Only

`text(8:20 pm)`

Show Worked Solution

`text(The quail will finish cooking at 7:15 pm plus)`

`text(1 hour 25 minutes = 8:40 pm.)`

`:.\ text(Manou should start cooking the brown rice)`

`text(at 8:20 pm.)`

Filed Under: Time, Time Tagged With: Band 7, smc-3184-10-Time intervals, smc-895-10-Time intervals

Geometry, NAP-D4-NC06

The piece of cardboard shown below can be folded into a closed rectangular box.
 

 
Which part of the flat piece of cardboard could have the picture on it?

`text(A)` `text(B)` `text(C)` `text(D)`
 
 
 
 
Show Answers Only

`text(B)`

Show Worked Solution

`text(B)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3185-50-Nets, smc-672-50-Nets

Number, NAP-B3-CA17

Sarah bought 4 pears and a $4 bunch of grapes.

The total cost was $10.60.

What would 2 pears and a $2 bunch of grapes cost?

`$7.60` `$7.30` `$6.60` `$5.30`
 
 
 
 
Show Answers Only

`$5.30`

Show Worked Solution

`text(The cost of 2 pears and a $2 bunch of grapes)`

`= 1/2 xx $10.60`

`= $5.30`

Filed Under: Financial Maths, Financial Maths Tagged With: Band 7, smc-3144-50-Other problems, smc-900-50-Other problems

Number, NAP-B3-CA16

`36 xx`
 
`= 27`
`1/3` `3/4` `4/3` `3/1`
 
 
 
 
Show Answers Only

`3/4`

Show Worked Solution
`36 xx  n` `=27`
`:.n` `=27/36`
  `=3/4`

Filed Under: Fractions Tagged With: Band 7, smc-662-20-Calculations

Measurement, NAP-D3-CA11

Goran made a triangle using string.

The perimeter of Goran's triangle was 16 cm.

Which of these could be the side lengths of his triangle?

 
`text(4 cm, 4 cm, 8 cm)`
 
`text(5 cm, 5 cm, 6 cm)`
 
`text(5 cm, 3 cm, 8 cm)`
 
`text(2 cm, 2 cm, 12 cm)`
Show Answers Only

`text(5 cm, 5 cm, 6 cm)`

Show Worked Solution

`text(The sum of any two sides of a triangle)`

`text(must be longer than the third side,)`

`:.\ text(The only possible side lengths are: 5 cm, 5 cm, 6 cm)`

Filed Under: Perimeter, Area and Volume Tagged With: Band 7, smc-666-10-Perimeter

Geometry, NAP-D3-CA08

Which of these drawings is not the net of a cube?

 
 
 
 
Show Answers Only

Show Worked Solution

 

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3155-50-Nets, smc-673-50-Nets

Geometry, NAP-E3-CA21

 
Peter is at the cafe of a theme park.

He leaves the cafe heading east on the pathway.

He makes a right turn and walks until he reaches a building.

In total, Peter walks 110 metres.

Which area of the park does Peter walk to?

`text(Ferris Wheel)` `text(Roller Coaster)` `text(Show Bags)` `text(Water World)`
 
 
 
 
Show Answers Only

`text(Show Bags)`

Show Worked Solution

`text(S)text(ince the grid measures 20 m × 20 m, Peter)`

`text(will end up in the Show Bags area.)`

Filed Under: Maps and Directions Tagged With: Band 7, smc-667-20-Map scales

Geometry, NAP-D3-NC21

Abe cuts a regular hexagon into 3 identical shapes.
 

 
Which of these could be the shape that Abe cuts?

 
 
 
 
Show Answers Only

Show Worked Solution

`text(3 rhombuses above can be joined to form)`

`text(a regular hexagon, as shown below.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3155-10-Identify 2D-3D objects, smc-3155-20-Building blocks, smc-673-10-Identify 2D-3D objects, smc-673-20-Building blocks

Number, NAP-D3-NC19

A tadpole is measured to be 9 mm long.

A few weeks later, the tadpole turns into a frog that is about 8 times longer than its tadpole length.

The difference between the length of the frog and its length as a tadpole is about

`text(1 mm)` `text(17 mm)` `text(63 mm)` `text(72 mm)`
 
 
 
 
Show Answers Only

`text(63 mm)`

Show Worked Solution
`text(Length of frog)` `=8 xx 9`
  `=72\ text(mm)`
   
`:.\ text(Difference)` `= 72 – 9`
  `=63\ text(mm)`

Filed Under: Multi-Step Problems, Multi-Step Problems Tagged With: Band 7

Measurement, NAP-D3-NC18

Pablo cuts a square out of a rectangular piece of paper, as shown below.
 

 
The square Pablo cut out has a side length of 6 cm.

Which of these expressions gives the area of Pablo's piece of paper after cutting out the square?

`(28 xx 20) - (6 xx 6)` `(22 xx 14) + (6 xx 6)`
 
 
`(28 + 20) - (6 + 6)` `(28 + 20) + (6 xx 6)`
 
 
Show Answers Only

`(28 xx 20) – (6 xx 6)`

Show Worked Solution
`text(Area)` `=\ text(Area of larger rectangle − square)`
  `= (28 xx 20) – (6 xx 6)`

Filed Under: Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3153-30-Area – Composite shapes, smc-666-30-Area - Composite shapes

Number, NAP-D3-NC17

Which position is closest to `1/3` on this number line?
 


 

`text(A)` `text(B)` `text(C)` `text(D)`
 
 
 
 
Show Answers Only

`text(C)`

Show Worked Solution

`text(S)text(ince there are 12 intervals between 0 and 1.)`

`1/3 = 4/12`

`=> text(C is closest to)\ 1/3.`

Filed Under: Fractions, Fractions Tagged With: Band 7, smc-3145-60-Fractions and number lines, smc-662-60-Fractions and number lines

Geometry, NAP-D3-NC15

Wes made a small staircase by stacking blocks.

There are no gaps between blocks.
 

 
How many blocks in the staircase are not shown at all?

`48` `36` `28` `24`
 
 
 
 
Show Answers Only

`36`

Show Worked Solution

`text(Calculate the hidden blocks under each step:)`

`text(1st step = 0)`

`text(2nd step = 6)`

`text(3rd step = 12)`

`text(4th step = 18)`

`:.\ text(36 blocks are not shown.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3155-20-Building blocks, smc-673-20-Building blocks

Geometry, NAP-D3-NC13

Two plans of a sports complex can be seen below.
 

 
Which designated sports area is closest to the corner of Bone Street and Depp Street?

Karate Fencing Ping Pong Yoga
 
 
 
 
Show Answers Only

`text(Yoga)`

Show Worked Solution

`text(Yoga)`

Filed Under: Maps and Directions Tagged With: Band 7, smc-667-40-Other map problems

Measurement, NAP-D3-NC11

Manou is cooking dinner for some friends.

The cooking times for the three ingredients of his main meal are in the table below.
 

 
Manou starts cooking the quail at 7:15 pm.

He wants everything to finish cooking at the same time.

At what time should Manou start cooking the brown rice?

`text(8:00 pm)` `text(8:10 pm)` `text(8:20 pm)` `text(8:30 pm)`
 
 
 
 
Show Answers Only

`text(8:20 pm)`

Show Worked Solution

`text(The quail will finish cooking at 7:15 pm plus)`

`text(1 hour 25 minutes = 8:40 pm.)`

`:.\ text(Manou should start cooking the brown rice)`

`text(at 8:20 pm.)`

Filed Under: Time, Time Tagged With: Band 7, smc-3154-10-Time intervals, smc-903-10-Time intervals

Number, NAP-E3-CA18

Sandy works part time in a shoe shop.

On weekends, she earns 1.5 times as much per hour as she earns on weekdays.

One week, she works 2 hours on a weekday and 2 hours on the weekend.

Her pay for the week was $80.

How much does she earn in 1 hour on a weekday?

`$12.00` `$16.00` `$18.00` `$20.00` `$20.50`
 
 
 
 
 
Show Answers Only

`$16.00`

Show Worked Solution

`text(Let)\ \ x = text(pay per hour on a weekday)`

`2x + (2 xx 1.5 x)` `= 80`
`2x + 3x` `= 80`
`5x` `= 80`
`:. x` `= 80/5`
  `= $16`

Filed Under: Financial Maths, Financial Maths Tagged With: Band 7, smc-3144-20-Wages, smc-900-20-Wages

Probability, NAP-E3-CA17

Peter has a bag of marbles. 75% of his marbles are blue.

Peter takes a green marble from his bag and loses it in a game.

If he takes another marble from the bag without looking, what are the chances it is blue?

 
less than 75%
 
equal to 75%
 
greater than 75%
Show Answers Only

`text(greater than 75%)`

Show Worked Solution

`text(There will be greater than 75% chance)`

`text(because there are the same amount of )`

`text(blue marbles to be chosen but 1 less)`

`text(in the bag.)`

Filed Under: Probability, Probability Tagged With: Band 7, smc-3167-10-Core concepts, smc-3167-30-Multi-step events, smc-675-10-Core concepts, smc-675-30-Multi-step events

Measurement, NAP-E3-CA15

Renny's dress shop is open 9 am to 6 pm from Monday to Friday and 9 am to 1 pm on Saturday.

What is the total number of hours her shop is open in 1 week?

`39` `45` `49` `60`
 
 
 
 
Show Answers Only

`49\ text(hours)`

Show Worked Solution
`text(Total hours)` `=\ text(weekday hours + weekend hours)`
  `= (5 xx 9) + 4`
  `= 49\ text(hours)`

Filed Under: Time Tagged With: Band 7, smc-903-10-Time intervals

Statistics, NAP-E3-CA13

Curly measures the position of glaciers in the antarctic.

His measurements showed that in 1 full year, a glacier moved 88 cm.

On average, how many centimetres did the glacier move per day?

`0.24\ text(cm)` `0.88\ text(cm)` `1.6\ text(cm)` `7.3\ text(cm)`
 
 
 
 
Show Answers Only

`0.24\ text(cm)`

Show Worked Solution

`text(Average daily movement of glacier)`

`=88/365`

`= 0.24\ text(cm)`

Filed Under: Data and Interpretation, Data and Statistics (7) Tagged With: Band 7, smc-3166-30-Mean/median/mode/range, smc-674-30-Mean/median/mode/range

Algebra, NAP-E3-CA12

The rules of a number game are shown in the flowchart below.
 

 
The output number is 21.

What are two possible values for the input number?

`7 and 16` `16 and 63` `7 and 26` `26 and 63`
 
 
 
 
Show Answers Only

`7 and 26`

Show Worked Solution

`text(Input 7 into the flowchart:)`

`7 xx 3 = 21`

`text(Input 26 into the flowchart:)`

`26 – 5 = 21` 

`:. 7 and 26\ \ text(are the possible values.)`

Filed Under: Patterns and Coordinate Geometry (8), Patterns and The Number Plane Tagged With: Band 7, smc-3151-10-Patterns and numbers, smc-664-10-Patterns and numbers

Geometry, NAP-E3-NC21

A stamp leaves an imprint of a horse head on paper.

The stamp is pictured below.
  

 
Which one of these shapes does the stamp make?

 
 
 
 
Show Answers Only

Show Worked Solution

Filed Under: Transformations and Symmetry, Transformations and Symmetry Tagged With: Band 7, smc-3156-15-Reflections/Folding, smc-3163-15-Reflections/Folding

Algebra, NAP-B3-NC19

This chart shows the longest run, in kilometres, that Deek ran each week over 5 weeks.

\begin{array} {|l|c|c|c|c|c|}
\hline \textbf{Week} & 1 & 2 & 3 & 4 & 5\\
\hline \textbf{Longest run (km)} & 8 & 11 & 14 & 17 & 20\\
\hline \end{array}

If the pattern continues, in which week is Deek's longest run 29 km?

`7` `8` `9` `10`
 
 
 
 
Show Answers Only

`8`

Show Worked Solution

`text(Deek’s longest run increases by 3 km each week.)`

`text(In week 6:  Longest run = 23 km)`

`text(In week 7:  Longest run = 26 km)`

`text(In week 8:  Longest run = 29 km)`

Filed Under: Patterns and Coordinate Geometry (8), Patterns and The Number Plane Tagged With: Band 7, smc-3151-10-Patterns and numbers, smc-664-10-Patterns and numbers

Number, NAP-B3-NC18

A local soccer club has 1600 fans.

At a game, one-quarter of the fans wear a yellow jersey and the rest wear red.

25% of the red jerseys have a black stripe down the back.

How many red jerseys have a black stripe?

`250` `300` `400` `1200`
 
 
 
 
Show Answers Only

`300`

Show Worked Solution
`text(Total red jerseys)` `=3/4 xx 1600`
  `=1200`

 

`:.\ text(Red jerseys with black stripe)`
`=0.25 xx 1200`
`=300`

Filed Under: Percentages, Percentages Tagged With: Band 7, smc-3147-30-Word problems, smc-901-30-Word problems

Measurement, NAP-B3-NC15 SA

A rectangular parking lot has a perimeter of 80 m.

Each short side has a length of 10 m.

What is the length of the long side?

  metres
Show Answers Only

`30`

Show Worked Solution

`text(Let)\ \ d=\ text(long side of parking lot)`

`2d + (2 xx 10)` `=80`
`2d` `=60`
`:. d` `=30\ text(m)`

Filed Under: Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3153-10-Perimeter, smc-666-10-Perimeter

Number, NAP-B3-NC14

Murray has 36 red plums and 18 purple plums.

What fraction of the plums are red?

`1/36` `1/3` `1/2` `2/3`
 
 
 
 
Show Answers Only

`2/3`

Show Worked Solution
`text(Fraction of red plums)` `=text(red plums) / text(total plums)`
  `=36/(36+18)`
  `=36/54`
  `=2/3`

Filed Under: Fractions, Fractions Tagged With: Band 7, smc-3145-30-Word problems, smc-662-30-Word problems

Algebra, NAP-B3-NC13

Jamie is drawing a square on this grid.

He has drawn two corner points as shown.
 

 

  
Jamie draws the third corner at (5, 6).

Where will the other corner of the square be?

`(1, 2)` `(2, 1)` `(1, 6)` `(2, 2)`
 
 
 
 
Show Answers Only

`(1, 2)`

Show Worked Solution

`(1, 2)`

Filed Under: Patterns and Coordinate Geometry (8), Patterns and The Number Plane, Triangles and Other Geometric Properties, Triangles and Other Geometric Properties Tagged With: Band 7, smc-3151-40-Cartesian plane, smc-3165-25-Quadrilateral properties, smc-664-40-Cartesian plane, smc-679-25-Quadrilateral properties

Probability, NAP-B3-NC12

A car dealership contains 12 black, 8 red, 10 blue, 16 silver and 4 white cars.

Walter wears a blindfold and chooses one car at random.

What is the chance that the car is blue?

`1/2` `1/4` `1/5` `1/10`
 
 
 
 
Show Answers Only

`1/5`

Show Worked Solution
`Ptext{(Blue car)}` `=\ text(number of blue  cars)/text(total number of cars)`
  `=10/50`
  `=1/5`

Filed Under: Probability, Probability Tagged With: Band 7, smc-3167-20-One-step events, smc-675-20-One-step events

Algebra, NAP-B3-NC10

Colin created the following pattern using plums from his orchard.
 

 
If this pattern continues, how many plums are in Column 7?

`4` `13` `19` `22`
 
 
 
 
Show Answers Only

`22`

Show Worked Solution

`text(Plums in column 1 = 4)`

`text(Plums in column 2 = 7)`

`text(Plums in column 3 = 10)`

`=>\ text(Each column has 3 extra plums.)`

 

`:.\ text(Plums in column 7)`

`=4 + (6 xx 3)`

`=22`

Filed Under: Patterns and Coordinate Geometry (8), Patterns and The Number Plane Tagged With: Band 7, smc-3151-20-Patterns and images, smc-664-20-Patterns and images

Measurement, NAP-B3-NC09 SA

The area of the shaded rectangle below is 84 cm².
 

 
What is the length of the shaded rectangle?

  cm
Show Answers Only

`14`

Show Worked Solution

`text(Let)\ \ d =\ text(length of rectangle)`

`d xx 6` `=84`
`:. d` `=84/6`
  `=14\ text(cm)`

Filed Under: Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3153-20-Area, smc-3153-85-PAV and algebra, smc-666-20-Area, smc-666-85-PAV and algebra

Statistics, NAP-E3-NC19 SA

Matt and Libby love nature and planted 50 trees each over 3 weeks.

The bar chart below shows the number of trees each of them planted in each week.

 

 

How many more trees did Libby plant than Matt in Week 2.

Show Answers Only

`5`

Show Worked Solution

`text(Trees planted by Matt in Week 2)`

`= 35 – 15`

`= 20`

`text(Trees planted by Libby in Week 2)`

`= 45 – 20`

`= 25`

`:.\ text(Libby planted 5 more trees than Matt in Week 2.)`

Filed Under: Data and Interpretation, Data and Statistics (7) Tagged With: Band 7, smc-3166-12-Bar charts, smc-674-12-Bar charts

Number, NAP-E3-NC18

Tony is making a fruit cake.

The recipe says he needs 3 cups of sultanas for every 5 cups of flour.

If 2.5 cups of flour are used, how many cups of sultanas are needed?

`0.5\ text(cups)` `1.5\ text(cups)` `2.5\ text(cups)` `4.5\ text(cups)`
 
 
 
 
Show Answers Only

`text(1.5 cups)`

Show Worked Solution

`text(Strategy 1:)`

`text(2.5 is half of 5 cups of flour, therefore half of)`

`text(3 cups of sultanas is required.)`

`=>\ text(1.5 cups of sultanas needed.)`

 

`text(Strategy 2:)`

`text(Let)\ \ n = text(cups of sultanas needed)`

`n/2.5` `=3/5`
`:.n` `=(3 xx 2.5)/5`
  `=1.5\ text(cups)`

Filed Under: Rates, Ratios and Scale, Rates, Ratios and Scale Tagged With: Band 7, smc-3148-20-Ratios and mixtures, smc-902-20-Ratios and mixtures

Geometry, NAP-E3-NC17

Which of the shapes below has exactly two lines of symmetry?

 
 
 
 
Show Answers Only

Show Worked Solution

`text(Option 1 has 4 lines of symmetry.)`

`text(Option 2 has 5 lines of symmetry.)`

`text(Option 3 has 1 line of symmetry.)`

Filed Under: Transformations and Symmetry, Transformations and Symmetry Tagged With: Band 7, smc-3156-10-Lines of symmetry, smc-3163-10-Lines of symmetry

Number, NAP-E3-NC15

Hoon's camera has a memory card that holds 20 gigabytes.

He has used exactly 16 gigabytes of memory.

What percentage of the memory has not been used?

`text(4%)` `text(20%)` `text(25%)` `text(40%)` `text(75%)`
 
 
 
 
 
Show Answers Only

`text(20%)`

Show Worked Solution
`text(Memory left)` `= 20 – 16`
  `= 4\ text(GB)`

 

`:.\ text(Percentage not used)`

`= 4/20`

`= 20text(%)`

Filed Under: Percentages, Percentages Tagged With: Band 7, smc-3147-30-Word problems, smc-901-30-Word problems

Number, NAP-C3-CA16

Last year 4236 people visited a national park.

The number of people who visited the park this year was `2/3` of last year's figure.

How many people went to the park this year?

`1412` `2412` `2824` `6354`
 
 
 
 
Show Answers Only

`2824` 

Show Worked Solution

`text(Number of visitors this year)`

`=2/3 xx 4236`

`= 2824`

Filed Under: Fractions, Fractions Tagged With: Band 7, smc-3145-30-Word problems, smc-662-30-Word problems

Geometry, NAP-C3-CA15

 
What is the size of the shaded angle?

`105^@` `110^@` `120^@` `125^@`
 
 
 
 
Show Answers Only

`110^@` 

Show Worked Solution

`text(S)text(ince there are 180° in a triangle:)`

`15 + 55 + /_^@` `= 180^@`
`/_^@` `=180 – 70`
  `= 110^@`

Filed Under: Triangles and Other Geometric Properties, Triangles and Other Geometric Properties Tagged With: Band 7, smc-3165-10-Triangles – find angle, smc-679-10-Triangles - find angle

Number, NAP-C3-CA14

Patrick paid $3552 for some cattle.

He paid the same amount of money for each animal.

The cost of each animal was a whole number of dollars.

Which of the following could be the number of cattle Patrick bought?

`33` `36` `37` `38`
 
 
 
 
Show Answers Only

`37` 

Show Worked Solution

`text(Consider the individual price of the cattle for each option:)`

`text(Option 1:)\ \ 3552/33` `= 107.64…`
`text(Option 2:)\ \ 3552/36` `= 98.67…`
`text(Option 3:)\ \ 3552/37` `= 96`
`text(Option 4:)\ \ 3552/38` `= 93.47…`

 

`:.\ text(S)text(ince only option 3 produces a whole number,)`

`text(there are 37 cattle.)`

Filed Under: Basic Concepts and Calculations, Basic Concepts and Calculations Tagged With: Band 7, smc-3143-20-Basic operators, smc-676-20-Basic operators

Statistics, NAP-C3-CA12 SA

Manuela weaves baskets to sell at the markets.

She weaves the same number of baskets each week.

At the end of each week she adds a point to the graph below that records the total amount of baskets she has weaved over all weeks combined.
 

What will be the exact total amount of baskets weaved by Manuella at the end of week 9.

   Baskets
Show Answers Only

`270`

Show Worked Solution

`text(There are 150 baskets weaved after 5 weeks.)`

`=>\ text(Baskets weaved in one week)`

`=150/5`

`=30`
 

`:.\ text(Total baskets weaved in 9 weeks)`

`= 9 xx 30`

`=270` 

Filed Under: Data and Interpretation, Data and Statistics (7) Tagged With: Band 7, smc-3166-10-Dot plots, smc-674-10-Dot plots

Number, NAP-C3-CA11

In a water polo season, Vladimir had 330 shots at goal.

He scored 170 goals but missed the rest.

Vladimir's success rate of scoring goals was?

 
less than 25%
 
more than 25% but less than 50%
 
more than 50% but less than 75%
 
more than 75%
Show Answers Only

`text(more than 50% but less than 75%)`

Show Worked Solution
`text(Success rate)` `=170/330`
  `=0.515…`
  `=52text(%)`

 

`:.\ text(His succes rate is more than 50% but less than 75%.)`

Filed Under: Percentages, Percentages Tagged With: Band 7, smc-3147-30-Word problems, smc-901-30-Word problems

Statistics, NAP-C3-CA10

This table shows the number of people who visited a war memorial on weekdays over 4 weeks.
 

 

 
What was the mean (average) number of people who attended the war memorial on Fridays?

`22` `26` `27` `28`
 
 
 
 
Show Answers Only

`26`

Show Worked Solution
`text(Mean on Fridays)` `=(22 + 32+28+22)/4`
  `=104/4`
  `=26`

Filed Under: Data and Interpretation, Data and Statistics (7) Tagged With: Band 7, smc-3166-20-Table data, smc-3166-30-Mean/median/mode/range, smc-674-20-Table data, smc-674-30-Mean/median/mode/range

Geometry, NAP-C3-NC17 SA

This 3D object is made by joining cubes.

It is then lowered into a tin of paint and completely submerged.
 

 

 
When the object is taken back out of the paint tin, how many faces are painted?

Show Answers Only

`18`

Show Worked Solution

`18`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3155-40-Different views, smc-673-40-Different views

Number, NAP-F3-CA16

Kat went on holiday and spent her money on accomodation, meals and shopping.

She spent $1200 in total and the pie chart below shows how she spent it.
 

 
How much money did Kat spend on meals on her holiday?

`$260` `$360` `$300` `$540`
 
 
 
 
Show Answers Only

`$300`

Show Worked Solution

`text(Money spent on shopping)`

`= 30text(%) xx 1200`

`=$360`

`:.\ text(Money spent on meals)`

`=1200 – (540+360)`

`=$300`

Filed Under: Data and Interpretation, Data and Statistics (7), Financial Maths, Financial Maths, Percentages, Percentages Tagged With: Band 7, smc-3144-50-Other problems, smc-3147-50-Graphs and percentages, smc-3166-14-Pie charts, smc-674-14-Pie charts, smc-900-50-Other problems, smc-901-50-Graphs and percentages

Geometry, NAP-F3-CA15

 
What is the size of the missing angle?

`30^@` `40^@` `50^@` `60^@` `70^@`
 
 
 
 
 
Show Answers Only

`30^@`

Show Worked Solution
`text(Angle)` `= 360 – (130 + 140 + 60)`
  `= 360 – 330`
  `= 30^@`

Filed Under: Triangles and Other Geometric Properties, Triangles and Other Geometric Properties Tagged With: Band 7, smc-3165-20-Quadrilateral – find angle, smc-679-20-Quadrilateral - find angle

Number, NAP-F3-CA14

 
What number is added to  `3 3/4`  to equal  `4 1/2`?

`2`  `1 1/4`  `3/4`  `1/2`
 
 
 
 
Show Answers Only

`3/4`

Show Worked Solution
`4 1/2 – 3 3/4` `=9/2 – 15/4`
  `=18/4 – 15/4`
  `=3/4`

Filed Under: Fractions, Fractions Tagged With: Band 7, smc-3145-20-Calculations, smc-3145-60-Fractions and number lines, smc-662-20-Calculations, smc-662-60-Fractions and number lines

Probability, NAP-F3-CA13

Which spinner does not show a 50-50 chance of landing on the `Delta` symbol?

 
 
 
 
Show Answers Only

Show Worked Solution

`text(Each section that has a triangle in it in the above image)`

`text(only accounts for)\ \ 1/6\ \ text(of the pie.)`

`:.\ text(The spinner only has)\ \ 1/3\ \ text(chance of landing)`

`text(on a triangle.)`

Filed Under: Probability, Probability Tagged With: Band 7, smc-3167-10-Core concepts, smc-675-10-Core concepts

Number, NAP-F3-CA11

Johnno was standing 300 metres away from the stage at a rock concert.

If the sound travelled at 330 metres per second from the stage, how many seconds did the sound take to get to Johnno?

`0.909` `1.100` `1.409` `13.051`
 
 
 
 
Show Answers Only

`0.909`

Show Worked Solution
`text(time)` `= text(distance)/text(speed)`
  `= 300/330`
  `= 0.909`

Filed Under: Rates, Ratios and Scale, Rates, Ratios and Scale Tagged With: Band 7, smc-3148-50-D=SxT, smc-902-50-D=SxT

Algebra, NAP-E3-NC12

The table below shows the results of a rule that changes each    into a   .
 

  
Which rule below was used?

 
     `=`      `xx 1 + 3`
 
     `=`       `xx 2 + 1`
 
     `=`       `xx 3 + 3`
 
     `=`       `xx 4 - 3`
Show Answers Only
     `=`       `xx 4 – 3`
Show Worked Solution

`text(The only rule that satisfies all results is:)`

     `=`       `xx 4 – 3`

Filed Under: Basic Algebra and Rules, Basic Algebra and Rules Tagged With: Band 7, smc-3150-20-Substitution, smc-904-20-Substitution

Number, NAP-E3-NC11

Waleed tried to write down all the prime numbers below 20.

His list was:  3, 5, 7, 11, 13, 19

Which number below is one of the prime numbers Waleed missed?

`2` `9` `15` `23`
 
 
 
 
Show Answers Only

`2`

Show Worked Solution

`2`

Filed Under: Basic Concepts and Calculations, Basic Concepts and Calculations Tagged With: Band 7, smc-3143-05-Number, smc-676-05-Number

Number, NAP-E3-NC05

Muriel made a batch of cookies.
 

 
Each cookie had 4 chocolate chips and 3 jelly snakes on it.

Muriel used 39 jelly snakes in the batch of cookies.

How many chocolate chips did she use?

`13` `26` `39` `52` `78`
 
 
 
 
 
Show Answers Only

`52`

Show Worked Solution

`text(Number of cookies made)`

`=39/3`

`=13`

`:.\ text(Chocolate chips used)`

`=13 xx 4`

`=52`

Filed Under: Rates, Ratios and Scale Tagged With: Band 7, smc-902-10-Ratios - General

Number, NAP-F3-CA09

What is the value of  `25^2?`

`5`  `27` `50` `525` `625`
 
 
 
 
 
Show Answers Only

`625`

Show Worked Solution
`25^2` `= 25 xx 25`
  `=625`

Filed Under: Basic Concepts and Calculations, Basic Concepts and Calculations Tagged With: Band 7, smc-3143-40-Integer indices, smc-676-40-Integer indices

Number, NAP-F3-NC21

Brandon has a money jar that contains 50 cent, 20 cent, 10 cent and 5 cent pieces only.

If he buys a pie worth $2.65, what is the minimum amount of coins he can pay with?

`5` `7` `8` `9` `11`
 
 
 
 
 
Show Answers Only

`7`

Show Worked Solution

`text(Minimum number of coins would be:)`

`5 xx 50\ text(c)`

`1 xx 10\ text(c)`

`1 xx 5\ text(c)`

`:.\ text(A minimum of 7 coins is needed.)`

Filed Under: Financial Maths, Financial Maths Tagged With: Band 7, smc-3144-10-Coins and change, smc-900-10-Coins and change

Statistics, NAP-F3-NC20

In 2015, the population of Australia was estimated at 24 million.

The amount of milk consumed in 2015 was 78 million litres.

The average amount of  milk consumed by one person in 2015 was closest to

 
`text(0.3 litres)`
 
`text(3 litres)`
 
`text(30 litres)`
 
`text(300 litres)`
Show Answers Only

`text(3 litres)`

Show Worked Solution

`text(Milk consumed by one person)`

`=(78\ 000\ 000)/(24\ 000\ 000)`

`=78/24`

`~~3\ text(litres)`

Filed Under: Data and Interpretation, Data and Statistics (7) Tagged With: Band 7, smc-3166-30-Mean/median/mode/range, smc-674-30-Mean/median/mode/range

Measurement, NAP-F3-NC19

Andrew caught a fish and measured it, as shown in the diagram below.
 

 
How long was Andrew's fish, in centimetres?

`33\ text(cm)` `34\ text(cm)` `35\ text(cm)` `36\ text(cm)` `38\ text(cm)`
 
 
 
 
 
Show Answers Only

`36\ text(cm)`

Show Worked Solution

`0.36\ text(m) = 36\ text(cm)`

Filed Under: Units of Measurement, Units of Measurement Tagged With: Band 7, smc-3152-10-Scale measure, smc-668-10-Scale measure

Number, NAP-F3-NC18 SA

`22.5 ÷`     `= 2.25`
Show Answers Only

`10`

Show Worked Solution
`22.5 ÷ 10` `=22.5/10`
  `=2.25`

Filed Under: Decimals, Decimals Tagged With: Band 7, smc-2136-20-Decimal calculations, smc-3146-20-Decimal calculations

Number, NAP-F3-NC17

A soccer match attracted a crowd of 17 221 people.

One third of the people at the match supported the away team.

Which of these is the closest to the number of people at the match who supported the away team?

`500` `600` `5000` `6000`
 
 
 
 
Show Answers Only

`6000`

Show Worked Solution

`text(One strategy:)`

`1/3 xx 17\ 221` `~~(18\ 000)/3`
  `~~6000`

 

Filed Under: Fractions, Fractions Tagged With: Band 7, smc-3145-30-Word problems, smc-662-30-Word problems

Number, NAP-F3-NC15

Andy buys a chocolate bar for 95 cents from the shop.

He has 4 coins in his hand and pays the exact amount.

Which coin is not in Andy's hand?

`text(5 cent)` `text(10 cent)` `text(20 cent)` `text(50 cent)`
 
 
 
 
Show Answers Only

`text(10 cent)`

Show Worked Solution

`text(4 coins can only make up 95 cents as follows:)`

`1 xx 50\ text(cent)`

`2 xx 20\ text(cent)`

`1 xx 5\ text(cent)`

`:.\ text(Andy doesn’t have a 10 cent.)`

Filed Under: Financial Maths, Financial Maths Tagged With: Band 7, smc-3144-10-Coins and change, smc-900-10-Coins and change

Number, NAP-F3-NC14

Ten people share in a lottery prize of $5650.

They keep $550 each and give the rest to charity.

How much money in total do they have to give to charity?

`$5100` `$510` `$150` `$15`
 
 
 
 
Show Answers Only

`$150`

Show Worked Solution

`text(Lottery payout to each person)`

`=5650/10`

`=$565`
 

`:.\ text(Total amount they give to charity)`

`=(565-550) xx 10`

`=$150`

Filed Under: Financial Maths, Financial Maths Tagged With: Band 7, smc-3144-50-Other problems, smc-900-50-Other problems

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