Tia is using doubles facts to solve this near doubles fact.

Question

4+5=___
Part A
Which doubles fact will help her find the sum of 4+5
?

(1 point)
Responses

4+4=8
4 + 4 = 8

3+3=6
3 + 3 = 6

2+2=4
2 + 2 = 4

1+1=2
1 + 1 = 2
Question 2
Part B
What is the sum?

4+5=___
(1 point)
Responses

7

7

8

8

9

9

10

Answer 1

Part A: The doubles fact that will help Tia find the sum of 4 + 5 is:

4 + 4 = 8

This is because 4 + 5 can be seen as 4 + (4 + 1), which is related to the doubles fact of 4 + 4.

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Part B: The sum of 4 + 5 is:

9

So, 4 + 5 = 9.