Basic Addition Strategies

What strategy would you use to solve:

8 + 0 =

• Adding onto 10

• Count on

• Doubles

• Identity - Adding onto 0

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What strategy would you use to solve:

5 + 9 =

• Making 10 - Steal

• Doubles +1/-1

• Adding onto 10

• Sum of 10 - Married Couples

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What double would you use to solve:

6 + 7 =

• 5 + 5

• 6 + 6

• 8 + 8

• 4 + 4

What strategy would you use to solve:

7 + 10 =

• Doubles

• Adding onto 10

• Making 10 - Steal

• Identity - Adding onto 0

Tags

CCSS.1.OA.A.1

What strategy would you use to solve:

12 + 3 =

• Sum of 10 - Married Couple

• Double +1/-1

• Making 10 - Steal

• Counting On

Tags

CCSS.1.OA.C.6

What strategy would you use to solve:

7 + 3 =

• Sum of 10 - Married Couples

• Doubles

• Identity - Adding onto 0

• Doubles +1/-1

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Which number sentence could be solved using the strategy:

Making 10 - Steal?

• 12 + 3

• 5 + 9

• 4 + 4

• 8 + 0

Which number sentence could be solved using the strategy:

Double +1/-1?

• 10 + 4

• 0 + 7

• 8 + 9

• 3 + 6

Tags

CCSS.7.NS.A.1D

Which number sentence could be solved using the strategy:

Counting On?

• 8 + 8

• 7 + 10

• 5 + 4

• 2 + 6

Tags

CCSS.1.OA.C.6

Which number sentence could be solved using the strategy:

Sum of 10 - Married Couple?

• 1 + 9

• 3 + 4

• 10 + 6

• 7 + 8

Tags

CCSS.1.OA.C.6