Calculating
Estimate the answer to 4482 ÷ 88 4482 is close to 4500
2
88 is close to 90. 4500 ÷ 90 = 50 The answer will be about 50.
1 Estimate the cost of 51 televisions priced at $299 each.
2 A restaurant bill for 9 people is $178.50. Estimate how much each person must pay.
3 A cinema has 28 rows. There are 22 seats in each row. A cinema ticket costs $9.80. How much money will the cinema receive if the cinema is full? 1 The answer to three of these questions is wrong. Use estimating to check whether each answer is reasonable. A 892 281 + 1893 = 894 174 B 9132 – 1922 = 5980 C 956 × 18 = 20 076 D 814 ÷ 11 = 31
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