Estimating Quotients

Problem:

 40 ÷ 8

Solution
Step 1:  

This can be estimated to 40/10. On dividing this, we get 4.

Solution
Step 2:          

Check this with the given problem; 4 x 8 = 32

Solution
Step 3:          

Choose a higher quotient.

4 x 8 = 32; 5 x 8 = 40

Quotient: 5