Addition Strategies

What addition sentence has the same addends but are in a different order?
2+3=5

• 3+2=5
• 5+2=7
• 3+5=8

Tags

CCSS.1.OA.B.3

7+8=

• Doubles
• Make Ten Facts
• Count on Facts
• Doubles Plus or Minus One

What is the sum of these two numbers?

• 80
• 85
• 45
• 87

Tags

CCSS.2.OA.A.1

How would you rearrange this to find the missing number?

• 9 - 15 = ?
• ? - 9 = 15
• 15 - 9 = ?
• 9 + 15 = ?

Tags

CCSS.2.OA.A.1

Solve this doubles fact:

6 + 6 =

• 12

• 10

• 36

• 18

Tags

CCSS.1.OA.A.1

CCSS.1.OA.C.6

CCSS.1.OA.D.7

CCSS.1.OA.D.8

8 + 9 = 17

• True

• False

Tags

CCSS.1.OA.C.6

CCSS.1.OA.D.7

What is the fastest way to solve this:

9 + 8 =

• doubles fact

• doubles +1 fact

• count on

• count back

Solve the following facts quickly -

use strategies!

4 + 3 = ___

7 + 7 = ___

8 + 7 = ___

9 - 3 = ___

• 7, 14, 18, 2

• 12, 14, 15, 6

• 6, 49, 16, 12

• 7, 14, 15, 6

Select all answers that are equal to 7

• 5+2

• 7+1

• 7+0

• 8+3

Tags

CCSS.1.OA.D.7

• 5
• 13
• 4
• 0

Tags

CCSS.1.OA.A.1

CCSS.1.OA.C.6

CCSS.1.OA.D.8