Estimating
How many chillis can you see in this picture?
1
Do I have enough money to buy 28 of these books?
$4.75 per book
Winston wants to buy 28 books that are priced at $4.75. He has $185. To calculate how much he must pay he needs to work out 28 × $4.75. He can answer his question quickly by making an estimate. 28 books is a little less than 30 books. $4.75 is a little less than $5 30 × $5 = $150 By estimating, Winston knows that he will have enough money.
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28/04/2022 12:11
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