1. Patterns and Estimating Quotients
Division
Patterns and Estimating Quotients

2. Division Math Vocabulary
Compatible Numbers
Numbers in a problem that are easy to work with mentally.
Division
An operation that is the opposite of multiplication. It breaks a number up into even groups.
Dividend
A number that is being divided
Divisor
The number by which the dividend is being divided
Quotient
The answer or result of a division problem

3. Dividing Mentally!
600 ÷ 6 = 100

4. Dividing Mentally!
270 ÷ 90 = 3

5. Dividing Mentally!
25,000 ÷ 500 = 50

6. Draw a Picture to Solve
92 ÷ 4 =

7. Draw a Picture to Solve
78 ÷ 6 =

8. We can Estimate in Division Too!!!

9. Find a Compatible Dividend
Estimate ÷ 3
÷ 3
150 ÷ 3 = 50
We change 156 to 150 because 150 and 3 are compatible numbers

10. Find a Compatible Divisor
Estimate 3,200 ÷ 90 3,200 ÷ 90 3,200 ÷ 80 = 40
We change 90 to 80 because 32 and 8 are compatible numbers.

11. Bring to the Nearest Ten
Estimate 228 ÷ ÷ ÷ ÷ 40 = 6
We change the divisor to the nearest 10.
We change the dividend to a number that is compatible with 4. Look, It’s easy to divide 24 by 4.