Question

Knowing Our Numbers
21
EXERCISE 1 (G)
A. Estimate first, then name the sum or B. Choose the correct answer for each of these.
difference. Use your estimate to check your Rounding off will help you
work.
1. 1678 + 2051 + 1356 = (1835, 3015, 5085)
1. 41 + 37
2. 428 +61
2. 6995 - 3068 = (3927, 1927, 2927)
3. 1314 + 272
4. 1521 +4325
3. 2008 x 3 = (5048, 4048, 6024)
5. 33278 + 1902 6. 9893-5164
7. 27348 - 1267 8. 1597 - 290
4. 5898 -3 = (1966, 1066, 2966)
9. 8001 - 457 10. 55662 - 3465
Estimating Products
Suppose you need to know about how many play booklets to have on hand for a theatre performance
If the theatre has 188 rows of 31 seats, about how many booklets should you have on hand ?
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Answer 1

Answer:

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