CHECKING YOUR UNDERSTANDING

Estimate the product of the following factors. Choose the

letter of the correct answer. Then write it on a separate sheet

of paper.

1.9.513 x 3.2 = n
A. 20
B. 30
C. 27
D. 12

2. 61.23 x 9.8 = n
A. 60
B. 6
C. 600
D. 613

3. 515 x 5.6 n
A. 24
B. 25
C. 30
D. 35

4. 19.667 x 7.2 = n

A. 14

B. 63

C. 133

D. 35

5. 56.73 x 3.9 = n

A. 120

B. 200

C. 240

D. 300​​