Estimating Division Compatible Numbers

Pick the expression with the better compatible numbers to estimate 

424÷7

Pick the expression with the better compatible numbers to estimate 

How would you estimate the following division equation using compatible numbers?
485 ÷ 92
(Get as close as you can to the original number!)

• 490 ÷ 90

• 480 ÷ 90

• 450 ÷ 90

• 540 ÷ 90

How would you estimate the following division equation using compatible numbers?
122 ÷ 59
(Get as close as you can to the original number!)

• 120 ÷ 60

• 100 ÷ 60

• 100 ÷ 50

• 122 ÷ 60

Use compatible numbers to solve:
7261 ÷ 83

• 9

• 90 R2

• 900

• 90

Use compatible numbers to solve:

228 ÷ 19

• 1

• 10

• 11 R1

• 9

Use compatible numbers to solve:
4322 ÷ 81
(Get as close as you can to the original number!)

• 5

• 50

• 60

• 600

Use compatible numbers to solve:
2,740 ÷ 67

• 400

• 40

• 30

• 300

There are 91 days until the craft sale.  April needs to make 817 rings before the sale.  She wants to make the same number of rings each day.  About how many rings should she make each day?

• 8

• 9

• 90

• 80

A school has 617 students  Each class has between 28 and 32 students.  Which of the following is a reasonable estimate of the number of classes in the school? 
(HINT: Estimate the number of students using a compatible number between 28 and 32.)

• 14 classes

• 30 classes

• 20 classes

• 60 classes