Aussie Maths & Science Teachers: Save your time with SmarterEd
Sapphire has 65 chocolates to pack into gift bags.
She puts 13 chocolates in each gift bag.
Which of the statements below are true?
Select three statements.
|
|
13 × 65 = (the number of gift bags Sapphire packs) |
|
|
13 × (the number of gift bags Sapphire packs) = 65 |
|
|
65 ÷ 13 = (the number of gift bags Sapphire packs) |
|
|
65 ÷ (the number of gift bags Sapphire packs = 13 |
A biscuit factory produces 72 000 packets of biscuits in a year.
Production is expected to increase by 1500 packets each year.
Which of these will give the best estimate of the production of the biscuit factory in 3 years' time?
|
|
`72\ 000 + 1500 xx 3` |
|
|
`(72\ 000 + 1500) xx 3` |
|
|
`72\ 000 + 1500 + 3` |
|
|
`(72\ 000 + 3) xx 1500` |
Madison uses the number sentence 15 × 12 = 180 to solve a problem.
Which of the following could be the problem?
|
|
Madison buys 15 showbags. How much does each showbag cost? |
|
|
Madison spends $15 on 180 showbags. How much does she spend? |
|
|
Madison buys 15 showbags that cost $12 each. How many showbags does she buy? |
|
|
Madison buys 12 showbags that cost $15 each. How much does she spend? |
Michelle is tiling a walkway that is 5.6 metres long.
She is using cement tiles that are 0.08 metres wide.
There are no gaps between the tiles.
How should Michelle calculate how many cement tiles she will need?
|
|
`5.6 ÷ 0.08` |
|
|
`0.08 ÷ 5.6` |
|
|
`5.6 xx 0.08` |
|
|
`5.6 - 0.08` |
Mae Ling bought some chopsticks and drinking cups for a party.
Mae Ling worked out the cost as follows
`(4 xx $5.75) + (8 xx $3.50) = $51`
How many packs of drinking cups did Mae Ling buy?
| `4` | `6` | `8` | `9` |
|
|
|
|
|
Jeet bought 4 pineapples and 3 mangos.
He used this calculation to work out the total cost
3 × 3.99 + 4 × 2.70
How much did one pineapple cost?
| `$2.70` | `$3` | `$3.99` | `$4` |
|
|
|
|
|
A chocolate factory packs 200 gram chocolate bars into a box that can hold 3 kg of the chocolate bars.
Which one of these expressions shows how many chocolate bars will be needed to fill the box?
| `3 xx 200` | `3000 ÷ 200` | `3000 xx 200` | `200 ÷ 3` |
|
|
|
|
|
Luigi has two large bags of pasta that are identical.
He also has a third, smaller bag of pasta that weighs 225 grams.
Luigi has 1925 grams of pasta in total.
Which expression can be used to calculate the mass of one of the large bags of pasta?
| `2xx (1925 + 225)` | `2 xx (1925 - 225)` | `(1925 + 225) ÷ 2` | `(1925 - 225) ÷ 2` |
|
|
|
|
|
Gary is a painter and buys 25 tins of paint.
Each tin costs $36.
The total cost of the paint is $36 × 25.
Which calculation is another way of working out the total cost?
| `9 xx 100` | `26 xx 250` | `(72 ÷ 2) xx 50` | `6 + (30 xx 25)` |
|
|
|
|
|