What is the best way to estimate the total cost of these three objects?
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`$50 + $30 + $90` |
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`$50 + $30 + $100` |
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`$50 + $40 + $90` |
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`$50 + $40 + $100` |
Number, NAP-J3-NC03
Locky got a new car and recorded how many litres of petrol he put into the car over 4 weeks.
Week 1: 62.35 litres
Week 2: 58.65 litres
Week 3: 44.95 litres
Week 4: 53.75 litres
To estimate how many litres of petrol he put into his car over the 4 weeks, Locky rounded the weekly amounts to the nearest 10 litres and added them.
How much was Locky's estimate?
| `240\ text(litres)` | `230\ text(litres)` | `210\ text(litres)` | `200\ text(litres)` |
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Number, NAP-G3-NC28
Which value of `A` is closest to the missing number in this equation?
`(A + 89.29) ÷ 5.12 = 48.4`
| `− 80` | `80` | `130` | `160` | `250` |
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Number, NAP-H3-NC22
Lily made a mobile phone call that lasted 39 minutes.
Her mobile phone provider charges her 19 cents per minute for calls.
Lily estimated that the total cost of the phone call was about $8.
Lily's estimate was
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less than the actual cost. |
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equal to the actual cost. |
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more than the actual cost. |
Number, NAP-I3-NC19
Patrick wants to buy some cricket equipment.
The sports shop's prices of the equipment he wants is listed in the table below.
Patrick buys all 4 items.
Which of these gives the correct range for the cost of this equipment?
| `$300 - $330` | `$330 - $360` | `$360 - $390` | `$390 - $420` |
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