◆ Addition and Subtraction
◀ Math Facts
⬤ Addition Strategies
⯀ Subtraction Strategies
100
Ms. Hamor has 2 students in her group. Mr. Davenport gives her 6 more students. How many students does Ms. Hamor have in all?
__ + __ = __
2 + 6 = 8 students in all
100
Is this equation TRUE?
5 + 2 = 8
No, the equation is not true.
5 + 2 = 7
100
What is the sum in this equation?
10 + 9 = 19
19 is the sum.
10 + 9 = 19
100
The first grade teachers have 18 books. They give 8 books to the kindergarten teachers. How many books do the first grade teachers have left?
18 - 8 = __
18 - 8 = 10
200
Ms. Hamor has 10 peppers.
She cooks 3 of them. Ms. Hamor has 7 peppers left.
Fill in the equation:
__ - __ = __
10 - 3 = 7
200
Which is a doubles fact?
A. 2 + 1 = 3
B. 5 + 5 = 10
C. 7 + 3 = 10
D. 4 + 2 = 6
B. 5 + 5 = 10
200
Does this number line show 7 + 7 = 14?
Yes.
200
What addition fact can help you solve 8 - 5?
A. 5 + 3 = 8
B. 8 - 4 = 4
C. 5 + 8 = 13
D. 8 + 2 = 10
A. 5 + 3 = 8
300
What number is missing?
1 + __ = 5
5 - 1 = __
4
300
Find 8 - 2.
8 - 2 = 6
300
How many more to make a 10?
3 more
7 + 3 = 10
300
What is 14 - 5?
14 - 5 = 9
400
Ms. O'Neal has 9 roses. Ms. Swisher has 6 tulips. 
Which equation shows how many fewer flowers Ms. Swisher has than Ms. O'Neal?
A. 10 + 7 = 17
B. 7 + 9 = 16
C. 9 - 6 = 3
D. 1 + 9 = 10
C. 9 - 6 = 3
400
What doubles fact can help you find 8 - 4?
A. 3 + 3 = 6
B. 2 + 6 = 8
C. 2 + 2 = 4
D. 4 + 4 = 8
D. 4 + 4 = 8
400
Ms. J has 6 pieces of candy. Ms. Loughlin has 7 pieces of candy. Write two ways to find how many pieces of candy the teachers have in all.
6 + 7 = 13
7 + 6 = 13
400
What number is missing from this fact family?
9 + _ = 16
_ + 9 = 16
16 - 9 = _
16 - _ = 9
7