Jarryd buys 3 water bottles for $1.50 each.
He pays for these water bottles with a $10 note.
How much change should Jarryd receive?
`$1.50` | `$4.50` | `$5.00` | `$5.50` |
|
|
|
|
Aussie Maths & Science Teachers: Save your time with SmarterEd
Jarryd buys 3 water bottles for $1.50 each.
He pays for these water bottles with a $10 note.
How much change should Jarryd receive?
`$1.50` | `$4.50` | `$5.00` | `$5.50` |
|
|
|
|
`$5.50`
`text(Change)` | `= $10 – (3 xx $1.50)` |
`= $10 – $4.50` | |
`= $5.50` |
Horace bought some pens for school with a $5 note.
Each of the pens cost 35 cents.
Horace received $1.15 change.
How many pens did he buy?
`11`
`text(One strategy:)`
`text(Consider some different numbers of pens,)`
`text(10 pens cost $3.50 ⇒ change of $1.50)`
`:. 11\ text(pens cost $3.85 ⇒ change of $1.15)`
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?
`$0.80` | `$1.00` | `$1.10` | `$1.20` |
|
|
|
|
`$1.20`
`$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` |
Henry bought an ice cream cone for $2.85 using coins in his pocket.
After paying, he counted $1.45 left in coins.
How much money in coins did Henry have to start with?
$ |
`$4.30`
`$2.85 + $1.45 = $4.30`
Billy has this much money.
He buys an avocado for $1.35.
How much money does Billy have left
`text(25 cents)` | `text(35 cents)` | `text(40 cents)` | `text(45 cents)` |
|
|
|
|
`text(35 cents)`
`text(Money at the start)`
`=$1 + 20¢ + 20¢ + 20¢ + 10¢`
`= $1.70`
`=>\ text(Money left)` | `=$1.70 – $1.35` |
`= 35¢` |
Sharon bought 6 chocolate bars that cost $1.20 each.
She gave the shopkeeper a $10 note.
How much change should Sharon expect?
`$2.80` | `$4` | `$7.20` | `$8.80` |
|
|
|
|
`$2.80`
`text(C) text(ost of 6 chocolate bars)`
`6 xx $1.20 = $7.20`
`:.\ text(Sharon’s change)` | `=10.00 – 7.20` |
`=$2.80` |