Addition Strategies

Count on from 7. What is the number that shows 3 more?

• 9
• 8
• 7
• 10

Chris drew 4 birds. Luke drew 1 more bird than Chris.

Which shows the number of birds Chris and Luke drew in all?

• 7

• 8

• 9

• 10

Which is the missing number?

6 + ___ + 1 = 12

• 5

• 6

• 7

• 8

Which number completes the number sentence?

4 + 9 = 10 + ___

• 3

• 4

• 5

• 6

What is the related addition fact?

5 + 2 = 7

• 2 + 6 = 8

• 2 + 9 = 11

• 2 + 5 = 7

• 2 + 7 = 9

Three boys have 18 baseballs in all.

Sal has 4 baseballs. Jace has 7 baseballs. Caleb has some baseballs.

How many baseballs does Caleb have?

• 4 + 7 + 5 = 18

• 4 + 7 + 6 = 18

• 4 + 7 + 7 = 18

• 4 + 7 + 8 = 18

Which has the same sum as 9 + 6?

• 10 + 2

• 10 + 3

• 10 + 4

• 10 + 5

Which number sentence shows the addends in a DIFFERENT order?

4 + 5 =

• 9 + 5 = 14

• 4 + 9 = 13

• 4 + 5 = 9

• 5 + 4 = 9

Lisa has 7 pencils. Armando has 8 pencils.

Which number sentence shows how many pencils there are in all?

• 7 + 6 = 13

• 7 + 7 = 14

• 7 + 8 = 15

• 8 + 8 =16

How do you find the sum of

6 + 7 = ?

• Use make a 10 strategy. Add 6 + 4 = 10.

• Use make a 10 strategy. Add 7 + 3 =10.

• Use a doubles fact. 7 + 7 = 14. 7 + 8 is just one more. 7 + 8 = 15

• Use a doubles fact 6 + 6 = 12. 6 + 7 is just one more.

  6 + 7 = 13