Mastering Compatible Numbers Quiz

Which pair of numbers are compatible for easy division?

• 137 and 18

• 120 and 20

• 143 and 17

• 119 and 16

Tags

CCSS.4.NBT.B.6

• 160

• 150

• 140

• 180

Tags

CCSS.4.NBT.B.6

Tags

CCSS.4.NBT.B.6

This pair of numbers is NOT compatible for division

(a)   .

• 480 and 60

• 630 and 90

• 530 and 80
• 720 and 80

Tags

CCSS.4.NBT.B.6

Mathematical Equivalence

ON

Tags

CCSS.4.NBT.B.6

• 300

• 250

• 200

• 350

Tags

CCSS.4.NBT.B.6

A box contains 147 apples. If you want to divide them equally among 20 students, which compatible number would you use to estimate the answer?

• 140

• 160

• 120

• 200

Tags

CCSS.4.NBT.B.6

Sort the problems into the following categories:

Groups:

(a) Compatible

,

(b) Non-Compatible

• 13 ÷ 30

• 160 ÷ 400

• 6 ÷ 40

• 6 ÷ 30

• 4.2 ÷ 70

• 9 ÷ 30

• 165 ÷ 40

• 4.4 ÷ 70

Tags

CCSS.5.NBT.B.7

Tags

CCSS.4.NBT.B.6

• 40 and 20

• 35 and 50

• 40 and 50

• 30 and 30

Tags

CCSS.4.NBT.B.6