Page 17 - Maths Class 06

Exercise 1.2

1. Round off the follow ing numbers to the near est tens, hundreds and thou sands and complete the
table:

Number Round off to tens Round off to hundreds Round off to thousands

(a) 7618 7620 7600 8000

(b) 5019 — — —

(c) 2347 — — —

(d) 6666 — — —
(e) 8463 — — —

(f) 5249 — — —

(g) 7324 — — —

(h) 3969 — — —

(i) 1459 — — —

(j) 4738 — — —

2. Estimate the value of the follow ing to the nearest ten:
(a) 252 + 749 (b) 364 – 273 (c) 1794 – 1237
(d) 232 × 657 (e) 479 – 363 (f) 176 × 199

(g) 637 ÷ 78 (h) 993 ÷ 29 (i) 1298 – 723
(j) 2798 ÷ 43
3. Estimate each sum to the nearest hundred:
(a) 5580 + 2295 (b) 370 + 295 (c) 567 + 739

(d) 273 + 1999 (e) 8940 + 198
4. Estimate the value to the nearest thousand:
(a) 25873 – 20677 (b) 5613 – 3075 (c) 35846 – 23910
(d) 5739 – 2651 (e) 8479 – 5643

5. Estimate the product by rounding off to the nearest hundred:
(a) 792 × 265 (b) 476 × 134 (c) 261 × 173 (d) 896 × 247
6. Estimate the quotient for the following:
(a) 29 ÷ 9 (b) 478 ÷ 48 (c) 556 ÷ 8
(d) 1876 ÷ 192 (e) 285 ÷ 37 (f) 1989 ÷ 63

7. 525 fruits were distrib uted equally among 17 students. How many fruits did each student get?
Esti mated answer.

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