smc-2909-20-$ and cents

Statistics, NAP-F1-35 SA

Brett made a graph showing all the coins in his money box.

How much money does Brett have in coins?

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`$8.30`

Show Worked Solution

`text(Total of Brett’s money)`

`= 2 xx $1 + 8 xx 50¢ + 6 xx 20¢ + 4 xx 10¢ + 14 xx 5¢`

`= $2 + $4 + $1.20 + 40¢ + 70¢`

`= $8.30`

Number and Algebra, NAP-B1-31 SA

5 boys win $3.

They share the money equally.

How much does each boy get?

cents

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`60¢`

Show Worked Solution

`$3 ÷ 5`	`= 300¢ ÷ 5`
	`= 60¢`

`=>\ text(Each boy gets)\ 60¢`

Number and Algebra, NAP-B2-18

Jeff went to the corner store to buy 4 kg of flour.

Approximately how much did Jeff pay?

`$2`	`$3`	`$4`	`$6`

Show Answers Only

`$6`

Show Worked Solution

`$1.48 xx 4`	`~~ 4 xx $1.50`
	`~~ $6`

Number and Algebra, NAP-C1-10

Sandy has the exact coins below in her pocket.

She buys fruit for lunch that costs $1.75.

How much money does Sandy have left?

`$0.08`	`$1.00`	`$1.10`	`$1.20`

Show Answers Only

`$1.20`

Show Worked Solution

`$1 xx 1 = $1`

`50¢ xx 3 = $1.50`

`20¢ xx 1 = 20¢`

`10¢ xx 2 = 20¢`

`5¢ xx 1 = 5¢`

`text(Total worth of coins)`

`= $1 + $1.50 + 20¢ + 20¢ + 5¢`

`= $2.95`

`:.\ text(Money left)`	`= $2.95 – $1.75`
	`= $1.20`

Number and Algebra, NAP-D1-35 SA

Amanda has $2.10 in coins.

She only has 20¢, 10¢, and 5¢ coins and has an equal amount of each.

How many 5¢ coins does she have?

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`text(She has six 5¢ coins.)`

Show Worked Solution

`text(Total if she has 1 of each coin,)`

`20 + 10 + 5 = 35¢`

`text(Total if she has 2 of each coin,)`

`2 xx 35¢ = 70¢`

`vdots`

`text(Total if she has 6 of each coin,)`

`6 xx 35¢ = $2.10`

`:.\ text(She has six 5¢ coins.)`

Number and Algebra, NAP-E1-34

5 of plastic cups cost 30 cents.

How many cents does one cup cost?

cents

What is the greatest number of cups that can be bought with exactly $6?

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`6\ text(cents), 100\ text(cups)`

Show Worked Solution

`text(C)text(ost of 1 cup)`	`= 30 ÷ 5`
	`= 6\ ¢`

`=>\ text(Greatest number of cups)`

`= $6.00 ÷ 6\ ¢`

`= 600\ ¢ ÷ 6\ ¢`

`= 100\ text(cups)`

Number and Algebra, NAP-E1-27 SA

Domi had some money in her purse.

She spent $3.75 and had $2.55 left .

How much money did Domi start with?

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`$6.30`

Show Worked Solution

`text(Money Domi started with)`

`= $3.75 + $2.55`

`= $6.30`

Number and Algebra, NAP-E1-24

Siri has this much money.

She buys a drink for $1.25.

How much money does Siri have left?

`text(75 cents)`	`text(85 cents)`	`text(90 cents)`	`text(95 cents)`

Show Answers Only

`text(85 cents)`

Show Worked Solution

`text(Money Siri has at the start)`

`=$1+50¢+20¢+20¢+10¢+10¢`

`=$2.10`

`text(Money left after buying a drink)`

`=$2.10 – $1.25`

`=85\ text(cents)`

Number and Algebra, NAP-D1-02

George has the coins shown below.

How much money does he have?

`$0.77`	`$0.87`	`$2.65`	`$2.75`

Show Answers Only

`$2.75`

Show Worked Solution

`text(Amount of money)`

`=$2 + 50¢ + 20¢ + 5¢`

`= $2.75`

Number and Algebra, NAP-G1-32 SA

Barry bought a hotdog and a can of soda for lunch.

He payed with a $10 note and got $3 change.

How much did the hotdog cost?

Show Answers Only

`$4.30`

Show Worked Solution

`text(C)text(ost of hotdog and soda)`

`= $10 – $3`

`= $7`

`text(C)text(ost of hotdog)`

`= $7 – $2.70`

`= $4.30`

Number and Algebra, NAP-F1-33 SA

Clancy bought some pens using a $20 note.

Each pen cost 35 cents.

Clancy got $16.15 change.

How many pens did Clancy buy?

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`11`

Show Worked Solution

`text(C) text(ost of pens)`

`= $20 – $16.15`

`= $3.85`

STRATEGY: This division is made easy by first working out that 10 pens cost $3.50.

`text(Number of pens bought)`

`= 3.85 ÷ 35\ text(cents)`

`= 11`

Number and Algebra, NAP-F1-20

Which of these adds up to more than $6?

	`$4.30 + $1.65`
	`$2.35 + $3.55`
	`$3.45 + $2.55`
	`$3.30 + $2.75`

Show Answers Only

`$3.30 + $2.75`

Show Worked Solution

`$4.30 + $1.65`	`= $5.95`
`$2.35 + $3.55`	`= $5.90`
`$3.45 + $2.55`	`= $6`
`$3.30 + $2.75`	`= $6.05`

`:. $3.30 + $2.75`

Number and Algebra, NAP-G1-25 SA

Damon had $1.40 in 5-cent coins in his piggy bank.

How many 5-cent coins does Damon have?

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`28`

Show Worked Solution

`text(One strategy:)`

`$1.40 = 14 xx 10¢`

`2 xx 5¢\ text(coins)\ = 10¢`

`:.\ text(Number of 5¢ coins)`	`= 14 xx 2`
	`= 28`

Number and Algebra, NAP-F1-09

Kris buys one fruit juice and one slice of toast.

How much does she pay altogether?

`60¢`	`$2.20`	`$2.70`	`$2.80`

Show Answers Only

`$2.80`

Show Worked Solution

`$2.20 + 60¢ = $2.80`

Number and Algebra, NAP-H1-22

Joel has only these coins.

Joel buys a bottle of soda for $2.25 and a lollipop for 35 cents.

How much money does Joel have left?

`text(65 cents)`	`text(80 cents)`	`text(90 cents)`	`$2.70`	`$3.25`

Show Answers Only

`text(65 cents)`

Show Worked Solution

`text(Total money before spending)`

`=50¢ + $2 +20¢ + 10¢+ 20¢ + 5¢ + 20¢`

`= $3.25`

`text(C)text(ost of soda and lollipop)`

`= $2.25 + 35¢`

`=$2.60`

`:.\ text(Money left)`	`=$3.25 – $2.60`
	`=65¢`

Number and Algebra, NAP-I1-23

Emelda buys the following items.

Emelda gives the shop owner $40.

How much change should she get?

`$7`	`$8`	`$32`	`$72`

Show Answers Only

`$8`

Show Worked Solution

`text(Total cost of all items)`

`= $4.10 + $5.70 + $22.20`

`= $32`

`:.\ text(Change)`	`= $40 – $32`
	`= $8`

Number and Algebra, NAP-H1-35 SA

Soda cans are sold in three different ways at the supermarket.

What is the cheapest price that someone can buy 13 cans for?

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`$17.50`

Show Worked Solution

`text(Two six packs and a single can:)`

`text(C)text(ost)`	`=(2 xx 8) + 1.50`
	`=$17.50`

`text(One ten pack and 3 single cans:)`

`text(C)text(ost)`	`=(1 xx 14) + (3 xx 1.50)`
	`=14 + 4.50`
	`=$18.50`

`:.\ text(The cheapest price is $17.50).`

Number and Algebra, NAP-I1-03

Michael plays violin in the park and collects 8 ten-cent coins in his hat.

How much money does Michael have in his hat altogether?

`text(44 cents)`	`text(18 cents)`	`text(80 cents)`	`text(88 cents)`

Show Answers Only

`text(80 cents)`

Show Worked Solution

`8 xx 10¢ = 80¢`

`:.\ text(Michael has 80 cents in his hat.)`