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Math Fact Families. First Grade - SOL 1.8 The 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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Math Fact Families • First Grade - SOL 1.8 The 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 = 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
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 =
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 =
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 =
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 =
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 =
1 + 7 = 8 8 - 1 = 7 8 - 7 = 1