Question

Estimate each of the following products by rounding off the first number upwards and
the second number downwards:
13. 183 x 154
14. 267 X 146
17. 680 x 164
16. 472 x 158
15. 35975
18. 255 350.​

Answer 1

38 x 63= 2394

Nearest ten is 2400

2. 54 x 47= 2538

Nearest ten is 2500

3. 28 x 63= 1764

Nearest ten is 1800

4. 42 x 75= 3150

Nearest ten is 3200

5. 64 x 58= 3712

Nearest ten is 3600

6. 15 x 34= 510

Nearest ten is 600