Partial Sums Addition and Subtraction

Use Partial-Sums Addition to solve 667 + 309.

• 1,006

• 976

• 986

• 966

Tags

CCSS.2.NBT.B.7

Mentally subtract 43 - 26.

• 20

• 17

• 27

• 14

Tags

CCSS.7.NS.A.1C

breaking an addend into expanded form and adding each part

• Associative Property of Addition

• partial sums

• parenthesis

• inverse operations

Tags

CCSS.1.OA.B.3

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the missing value to complete the equation in adding partial sums.

Tags

CCSS.2.NBT.B.7

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Break apart to find the partial sums.

• 50 + 10 + 4

• 60 + 10 + 4

• 60 + 10 + 7

• 50 + 14

Tags

CCSS.2.NBT.B.7

• 80

• 71

• 81

• 70

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the total?

• 71

• 61

• 60

• 70

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

• 67

• 77

• 57

• 76

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5