In worksheet on estimating products, all grade students can practice the questions on estimate the products by rounding numbers to the nearest ten, hundred, thousand etc., This exercise sheet on estimating products can be practiced by the students to get more ideas.
1. Estimate the following products by rounding each number to the nearest ten:
(i) 21 × 45
(ii) 39 × 41
(iii) 38 × 47
(iv) 77 × 52
(v) 11 × 15 × 28
(vi) 16 × 21 × 69
2. Estimate the following products rounding the first number up and second number down:
(i) 57 × 63
(ii) 97 × 73
(iii) 55 × 85
(iv) 48 × 83
3. Estimate the following products rounding the first number down and second up:
(i) 42 × 77
(ii) 23 × 48
(iii) 84 × 86
(iv) 24 × 68
4. Estimate the following products by rounding each number to the nearest hundred:
(i) 357 × 231
(ii) 287 × 297
(iii) 641 × 278
(iv) 282 × 118
5. Estimate the following products by rounding the first number up and second number down, to the nearest hundred:
(i) 194 × 119
(ii) 177 × 136
(iii) 183 × 142
(iv) 386 × 312
(v) 682 × 215
(vi) 787 × 235
6. Estimate the following products by rounding the first number down and second number up, to the nearest hundred:
(i) 413 × 278
(ii) 327 × 292
(iii) 523 × 287
(iv) 715 × 295
(v) 617 × 385
(vi) 318 × 372
7. Estimate the product of the following numbers by rounding numbers to the nearest (i) hundred (ii) ten:
(i) 375 × 112
(ii) 455 × 217
(iii) 492 × 302
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