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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


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Checking What You Know

Are the following math sentences the same?

3 + 2 =

5

2 + 3 =

5


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4 + 6 =

10

6 + 4 =

10


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1 + 7 =

8

7 + 1 =

8


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+1


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1 + 1 =

2

1

2 - 1 =


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2 + 1 =

3

2

3 - 1 =

1

3 - 2 =


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3 + 1 =

4

4 - 1 =

3

4 - 3 =

1


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4 + 1 =

5

4

5 - 1 =

5 - 4 =

1


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5 + 1 =

6

5

6 - 1 =

1

6 - 5 =


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7 + 1 =

8

7

8 - 1 =

1

8 - 7 =


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8 + 1 =

9

8

9 - 1 =

1

9 - 8 =


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9 + 1 =

10

9

10 - 1 =

10 - 9 =

1


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+2


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1 + 2 =

3

3 - 1 =

2

3 - 2 =

1


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2 + 2 =

4

2

4 - 2 =


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3 + 2 =

5

5 - 2 =

3

5 - 3 =

2


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4 + 2 =

6

2

6 - 4 =

6 - 2 =

4


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5 + 2 =

7

5

7 - 2 =

2

7 - 5 =


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6 + 2 =

8

6

8 - 2 =

2

8 - 6 =


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7 + 2 =

9

7

9 - 2 =

2

9 - 7 =


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8 + 2 =

10

8

10 - 2 =

2

10 - 8 =


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+3


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1 + 3 =

4

4 - 1 =

3

4 - 3 =

1


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2 + 3 =

5

3

5 - 2 =

2

5 - 3 =


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3 + 3 =

6

6 - 3 =

3


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4 + 3 =

7

3

7 - 4 =

7 - 3 =

4


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5 + 3 =

8

5

8 - 3 =

3

8 - 5 =


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6 + 3 =

9

6

9 - 3 =

3

9 - 6 =


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7 + 3 =

10

7

10 - 3 =

3

10 - 7 =


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+4


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1 + 4 =

5

5 - 1 =

4

5 - 4 =

1


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2 + 4 =

6

4

6 - 2 =

2

6 - 4 =


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3 + 4 =

7

4

7 - 3 =

7 - 3 =

4


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4 + 4 =

8

4

8 - 4 =


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5 + 4 =

9

5

9 - 4 =

4

9 - 5 =


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6 + 4 =

10

6

10 - 4 =

4

10 - 6 =


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+5


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1 + 5 =

6

6 - 1 =

5

6 - 5 =

1


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2 + 5 =

7

6

7 - 2 =

2

7 - 5 =


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3 + 5 =

8

5

8 - 3 =

8 - 5 =

3


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4 + 5 =

9

5

9 - 4 =

4

9 - 5 =


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5 + 5 =

10

5

10 - 5 =


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+6


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1 + 6 =

7

7 - 1 =

6

7 - 6 =

1


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2 + 6 =

8

6

8 - 2 =

2

8 - 6 =


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3 + 6 =

9

6

9 - 3 =

9 - 6 =

3


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4 + 6 =

10

6

10 - 4 =

4

10 - 6 =


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+7


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1 + 7 =

8

8 - 1 =

7

8 - 7 =

1


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2 + 8 =

10

8

10 - 2 =

2

10 - 8 =


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+8


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1 + 8 =

9

9 - 1 =

8

9 - 8 =

1


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2 + 8 =

10

8

10 - 2 =

2

10 - 8 =


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+9


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9 + 1 =

10

1

10 - 9 =

10 - 1 =

9


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Quiz Time

?


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Are these the same?

3 + 2 =

2 + 4 =

  • Yes

B) No


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No, try again.


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Yes, go to the next

question.


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Are these the same?

1 + 5 =

5 + 1 =

  • Yes

B) No


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No, try again.


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Yes, go to the next

question.


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Are these the same?

7 + 0 =

0 + 7 =

  • Yes

B) No


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No, try again.


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Yes, go to the next

question.


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Are these the same?

8 + 2 =

3 + 8 =

  • Yes

B) No


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No, try again.


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Yes, go to the next

question.


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Solve the problem.

3 + 2 = 5

_ - 2 = 3

C) 7

  • 3

D) 2

B) 5


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No, try again.


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Yes, go to the next

question.


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Solve the problem.

4 + 3 = 7

7 - _ = 3

C) 7

  • 3

D) 4

B) 5


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No, try again.


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Yes, go to the next

question.


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Solve the problem.

6 - 2 = 4

2 + 4 =_

C) 7

  • 3

D) 2

B) 6


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No, try again.


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Yes, go to the next

question.


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Great Job!!!


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