Math 5.5 Inverse Operations

Use the arrays and inverse operations to find each unknown.

​ ​ ​ (a)   x 2 = 8 ​ (b)   ÷ 4 = 2

• 4
• 8
• 16
• 2

Tags

CCSS.3.OA.C.7

Use the arrays and inverse operations to find each unknown

2 x ​​ (a)   = 4 4 ÷ (b)   = 2

• 2
• 4
• 8

Tags

CCSS.4.NBT.B.6

Use the arrays and inverse operations to find each unknown.

​ (a)   x 2 = 14 ​ (b)   ÷ 2 = 7

• 7
• 14
• 2
• 21

Tags

CCSS.4.NBT.B.6

Use the arrays and inverse operations to find each unknown.​

4 x ​ (a)   = 20 20 ÷ ​ (b)   = 4

• 5
• 3
• 6
• 8

Tags

CCSS.4.NBT.B.6

Write the set of numbers for each fact family.

5 x 9 = 45 9 x 5 = 45 45 ÷ 9 = 5 45 ÷ 5 = 9

• 5, 6, 11

• 5, 9, 45

• 5, 6, 10

Tags

CA.MA.3.OA.7

CA.MA.3.OA.6

CA.MA.3.OA.4

Write the set of numbers for each fact family.

7 x 4 = 28 4 x 7 = 28 28 ÷ 7 = 4 28 ÷ 4 = 7

• 4, 7, 28

• 4, 7, 11

• 7, 4, 11

Tags

CCSS.4.NBT.B.6

Write the set of numbers for each fact family.

3 x 3 = 9 9 ÷ 3 = 9

• 3, 3, 9

• 3, 3, 6

Tags

CCSS.4.NBT.B.6

Write the set of numbers for each fact family.

4 x 8 = 32 8 x 4 = 32 32 ÷ 4 = 8 32 ÷ 8 = 4

• 4, 8, 12

• 4, 8 , 32

Tags

CCSS.4.NBT.B.6

Find the fact family for each set of numbers.

2, 3, 6

• 2 x 3 = 6

• 3 x 2 = 6

• 6 ÷ 2 = 3

• 6 ÷ 3 = 2

Tags

CCSS.6.EE.A.2A

Find the fact family for each set of numbers.

2, 7, 14

• 2 x 7 = 14

• 3 x 2 = 6

• 14 ÷ 2 = 7

• 6 ÷ 3 = 2

Tags

CCSS.3.OA.A.3

CCSS.3.OA.A.4

CCSS.3.OA.B.5

CCSS.3.OA.B.6

CCSS.3.OA.C.7

CCSS.3.OA.D.8