Preassesment - Estimating for Division cloned 2018-11-26

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by Cybil Cheung

| 12 Questions

1

1

5 ÷ 1 =

2

1

16 ÷ 4 =

3

1

21 ÷ 3 =

4

3

a) What number do these base 10 blocks show?

b) Circle the blocks to divide the number into 3 equal groups.

c) Write the division sentence

5

1

Which division fact can help you estimate that 91 ÷ 3 is around 30?

3 ÷ 3 = 1

6 ÷ 3 = 2

9 ÷ 3 = 3

6

1

Explain how the division fact helps you estimate.

7

1

What division fact helps you estimate 81 ÷ 4?

8

1

Estimate. 81 ÷ 4 is about _______

9

1

estimate. 56 ÷ 2 is about ______

10

1

Estimate. 48 ÷ 5 is about ______

11

1

Estimate. 62 ÷ 7 is about _____

12

1

Explained your estimation strategy for question 11.

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