Preassesment - Estimating for Division cloned 2018-11-26

5 ÷ 1 =

16 ÷ 4 =

21 ÷ 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

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

Explain how the division fact helps you estimate.

What division fact helps you estimate 81 ÷ 4?

Estimate. 81 ÷ 4 is about _______

estimate. 56 ÷ 2 is about ______

Estimate. 48 ÷ 5 is about ______

Estimate. 62 ÷ 7 is about _____

Explained your estimation strategy for question 11.