MULTIPLYING AND DIVIDING SIGNIFICANT FIGURES WORKSHEET

Estimate using a one figure approximation :

Problem 1 :

389 × 63

Solution

Problem 2 :

4619 × 22

Solution

Problem 3 :

4062 × 638

Solution

Problem 4 :

389 × 2178

Solution

Problem 5 :

588 × 11,642

Solution

Problem 6 :

29 × 675,328

Solution

Estimate the following using a one figure approximation :

Problem 1 :

641 ÷ 59

Solution

Problem 2 :

2038 ÷ 49

Solution

Problem 3 :

5899 ÷ 30

Solution

Problem 4 :

2780 ÷ 41

Solution

Problem 5 :

85,980 ÷ 299

Solution

Problem 6 :

36,890 ÷ 786

Solution

Estimate these products :

Problem 1 :

89 × 3

Solution

Problem 2 :

57 × 9

Solution

Problem 3 :

62 × 6

Solution

Problem 4 :

28 × 8

Solution

Problem 5 :

113 × 7

Solution

Problem 6 :

6895 × 6

Solution

Problem 7 :

8132 × 8

Solution

Problem 8 :

29,898 × 9

Solution

Use one figure approximations to estimate :

Problem 1 :

498 ÷ 5

Solution

Problem 2 :

897 ÷ 3

Solution

Problem 3 :

78,916 ÷ 4

Solution

Problem 4 :

5908 ÷ 31

Solution

Problem 5 :

697 ÷ 72

Solution

Problem 6 :

8132 ÷ 41

Solution

Problem 7 :

3164 ÷ 98

Solution

Problem 8 :

6075 ÷ 29

Solution

Problem 9 :

6177 ÷ 104

Solution

Problem 10 :

9091 ÷ 58

Solution

Problem11 :

4862 ÷ 195

Solution

Problem 12 :

3956 ÷ 1970

Solution