# Worksheet on Estimation

Practice the questions given in the worksheet on estimation. The questions are based on estimating the sum, difference, product and quotient to the nearest tens, hundreds and thousands.

1. Estimate and solve to the nearest tens:

(i) 24 + 58

(ii) 88 – 29

(iii) 95 ÷ 9

(iv) 114 ÷ 14

(v) 4252 ÷ 247

2. Estimate and solve to the nearest hundreds:

(i) 319 + 178

(ii) 587 – 222

(iii) 623 ÷ 199

(iv) 156 × 450

(v) 146 × 51

3. Estimate and solve to the nearest thousands:

(i) 5786 + 2126

(ii) 7123 – 3678

(iii) 9116 ÷ 2716

(iv) 15214 ÷ 3317

(v) 240265 ÷ 2436

4. Estimate the product to the nearest hundreds:

(i) 11 × 39

(ii) 77 × 24

(iii) 310 × 299

(iv) 516 × 372

(v) 476 × 246

5. Estimate the sum to the nearest hundreds. Verify by actual addition.

(i) 166 + 427

(ii) 6043 + 2476

(iii) 4569 + 3274

(iv) 8042 + 1375

(v) 9563 + 2416

6. Estimate the sum to the nearest tens. Verify by actual addition.

(i) 44 + 27

(ii) 219 + 437

(iii) 572 + 383

(iv) 1076 + 2541

(v) 5431 + 1023

7. Multiple Choice Questions (MCQ)

Choose the correct option.

(i) The number 356842 is rounded to

(a) 356800 to the nearest hundred

(b) 356850 to the nearest hundred

(c) Both (a) and (b)

(d) 356840 to the nearest thousand

(ii) The estimated value of (2588 - 231) is

(a) 2300

(b) 1050

(c) 2450

(d) 2400

8. Match the columns.

 Column A Column B (a) Estimated value of 87 × 492 to the nearest hundred is _____. (i) 1420 (b) Estimated difference between 64856 and 34200 to the nearest thousand is _____. (ii) 11 (c) Estimated quotient of 5547 ÷ 479 to the nearest hundred is _____. (iii) 50,000 (d) Estimated the sum of 89 and 1334 to the nearest ten is _____. (iv) 31,000

9. Estimate the following without actual calculation:

(i) 48 × 71

(ii) 2305 - 563

(iii) 77 + 31

(iv) 682 + 20

Answers for the worksheet on estimation are given below to check the exact answers of the above questions.

1. (i) 80

(ii) 60

(iii) 10

(iv) 11

(v) 17

2. (i) 500

(ii) 400

(iii) 3

(iv) 100000

(v) 7500

3. (i) 8000

(ii) 3000

(iii) 3

(iv) 5

(v) 99

4. (i) 400

(ii) 1600

(iii) 90000

(iv) 200000

(v) 100000

5.(i) 600

(ii) 8500

(iii) 8000

(iv) 9000

(v) 12000

6. (i) 70

(ii) 660

(iii) 950

(iv) 3620

(v) 6450

7. (i) (a) 356800 to the nearest hundred

(ii) (d) 2400

8. (a) → (iii)

(b) → (iv)

(c) → (ii)

(d) → (i)

9. (i) 3500

(ii) 1700

(iii) 110

(iv) 700

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