Estimate Division Compatible Numbers

Which division problem shows the best way to estimate 39 ÷ 5 using compatible numbers?

• 40 ÷ 5

• 36 ÷ 6

• 35 ÷ 5

Which division problem shows the best way to estimate 715 ÷ 9 using compatible numbers?

• 700 ÷ 10

• 720 ÷ 9

• 630 ÷ 9

Which division problem shows the best way to estimate 351 ÷ 9 using compatible numbers?

• 360 ÷ 9

• 300 ÷ 10

• 320 ÷ 9

Which division problem shows the best way to estimate 711 ÷ 6 using compatible numbers?

• 700 ÷ 10

• 700 ÷ 6

• 720 ÷ 6

Which of the following is the best way to estimate 487/67 with compatible numbers?

• 480 divided by 70

• 485 divided by 60

• 490 divided by 60

• 490 divided by 70

Estimate using compatible numbers: 5,679 ÷ 82

• about 50

• about 60

• about 70

• about 80

Estimate using compatible numbers: 2,512 ÷ 65

• about 50

• about 40

• about 30

• about 25

You can use____________________to estimate quotients because they are easy to compute with mentally.

• partial quotient

• compatible numbers

• place value

• pigs

Which of the following is the best way to estimate 487 ÷ 67 with compatible numbers? (5-2)

• 480 divided by 70

• 485 divided by 60

• 490 divided by 60

• 490 divided by 70

Use compatible numbers to solve. 
287/42=?

• 7

• 70

• 8

• 80