Estimating Numbers to Make Compatible Numbers

Estimate the quotient using compatible numbers. 2,460 ÷ 81

• 30

• 3

• 80

• 300

Estimate the quotient using compatible numbers. 3,129 ÷ 42

• 800

• 40

• 8

• 80

Estimate the quotient using compatible numbers. 488 ÷ 68

• 9

• 7

• 70

• 700

Estimate the quotient using compatible numbers. 953 ÷ 13

• 12

• 800

• 8

• 80

Estimate the quotient using compatible numbers. 5,355 ÷ 88

• 90

• 60

• 6

• 600

Estimate the quotient using compatible numbers. 1,763 ÷ 57

• 30

• 3

• 6

• 60

Estimate the quotient using compatible numbers. 6,204 ÷ 67

• 7

• 70

• 9

• 90

Compatible numbers are:

• Fake numbers

• Numbers you make up

• Numbers that help make math easier and are friendly

• Numbers that hold hands

When estimating 372 divided by 41, it should be changed to

• 400 divided by 40

• 360 divided by 40

• 370 divided by 50

• 300 divided by 50

When estimating 278 divided by 31, what would be the best numbers to change 278 and 31 to

• 300 divided by 30

• 27 divided by 3

• 270 divided by 30

• 300 divided by 20