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First Grade - SOL 1.8The student will recall basic addition facts — i.e., sums to 10 or less — and the corresponding subtraction facts . PowerPoint PPT Presentation


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Math Fact Families. First Grade - SOL 1.8The student will recall basic addition facts — i.e., sums to 10 or less — and the corresponding subtraction facts . Donna Gilliam - Spring 2006. Checking What You Know Are the following math sentences the same?. 3 + 2 =. 5. 2 + 3 =. 5. 4 + 6 =.

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First Grade - SOL 1.8The student will recall basic addition facts — i.e., sums to 10 or less — and the corresponding subtraction facts .

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Math Fact Families

  • First Grade - SOL 1.8The student will recall basic addition facts — i.e., sums to 10 or less — and the corresponding subtraction facts.

Donna Gilliam - Spring 2006


Checking What You Know

Are the following math sentences the same?

3 + 2 =

5

2 + 3 =

5


4 + 6 =

10

6 + 4 =

10


1 + 7 =

8

7 + 1 =

8


+1


1 + 1 =

2

1

2 - 1 =


2 + 1 =

3

2

3 - 1 =

1

3 - 2 =


3 + 1 =

4

4 - 1 =

3

4 - 3 =

1


4 + 1 =

5

4

5 - 1 =

5 - 4 =

1


5 + 1 =

6

5

6 - 1 =

1

6 - 5 =


7 + 1 =

8

7

8 - 1 =

1

8 - 7 =


8 + 1 =

9

8

9 - 1 =

1

9 - 8 =


9 + 1 =

10

9

10 - 1 =

10 - 9 =

1


+2


1 + 2 =

3

3 - 1 =

2

3 - 2 =

1


2 + 2 =

4

2

4 - 2 =


3 + 2 =

5

5 - 2 =

3

5 - 3 =

2


4 + 2 =

6

2

6 - 4 =

6 - 2 =

4


5 + 2 =

7

5

7 - 2 =

2

7 - 5 =


6 + 2 =

8

6

8 - 2 =

2

8 - 6 =


7 + 2 =

9

7

9 - 2 =

2

9 - 7 =


8 + 2 =

10

8

10 - 2 =

2

10 - 8 =


+3


1 + 3 =

4

4 - 1 =

3

4 - 3 =

1


2 + 3 =

5

3

5 - 2 =

2

5 - 3 =


3 + 3 =

6

6 - 3 =

3


4 + 3 =

7

3

7 - 4 =

7 - 3 =

4


5 + 3 =

8

5

8 - 3 =

3

8 - 5 =


6 + 3 =

9

6

9 - 3 =

3

9 - 6 =


7 + 3 =

10

7

10 - 3 =

3

10 - 7 =


+4


1 + 4 =

5

5 - 1 =

4

5 - 4 =

1


2 + 4 =

6

4

6 - 2 =

2

6 - 4 =


3 + 4 =

7

4

7 - 3 =

7 - 3 =

4


4 + 4 =

8

4

8 - 4 =


5 + 4 =

9

5

9 - 4 =

4

9 - 5 =


6 + 4 =

10

6

10 - 4 =

4

10 - 6 =


+5


1 + 5 =

6

6 - 1 =

5

6 - 5 =

1


2 + 5 =

7

6

7 - 2 =

2

7 - 5 =


3 + 5 =

8

5

8 - 3 =

8 - 5 =

3


4 + 5 =

9

5

9 - 4 =

4

9 - 5 =


5 + 5 =

10

5

10 - 5 =


+6


1 + 6 =

7

7 - 1 =

6

7 - 6 =

1


2 + 6 =

8

6

8 - 2 =

2

8 - 6 =


3 + 6 =

9

6

9 - 3 =

9 - 6 =

3


4 + 6 =

10

6

10 - 4 =

4

10 - 6 =


+7


1 + 7 =

8

8 - 1 =

7

8 - 7 =

1


2 + 8 =

10

8

10 - 2 =

2

10 - 8 =


+8


1 + 8 =

9

9 - 1 =

8

9 - 8 =

1


2 + 8 =

10

8

10 - 2 =

2

10 - 8 =


+9


9 + 1 =

10

1

10 - 9 =

10 - 1 =

9


Quiz Time

?


Are these the same?

3 + 2 =

2 + 4 =

  • Yes

B) No


No, try again.


Yes, go to the next

question.


Are these the same?

1 + 5 =

5 + 1 =

  • Yes

B) No


No, try again.


Yes, go to the next

question.


Are these the same?

7 + 0 =

0 + 7 =

  • Yes

B) No


No, try again.


Yes, go to the next

question.


Are these the same?

8 + 2 =

3 + 8 =

  • Yes

B) No


No, try again.


Yes, go to the next

question.


Solve the problem.

3 + 2 = 5

_ - 2 = 3

C) 7

  • 3

D) 2

B) 5


No, try again.


Yes, go to the next

question.


Solve the problem.

4 + 3 = 7

7 - _ = 3

C) 7

  • 3

D) 4

B) 5


No, try again.


Yes, go to the next

question.


Solve the problem.

6 - 2 = 4

2 + 4 =_

C) 7

  • 3

D) 2

B) 6


No, try again.


Yes, go to the next

question.


Great Job!!!


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