Mrs. Dennison's Second Grade October Facts
Learn Addition and Subtraction Facts for 11, Facts for 12, and Doubles Plus 1 Facts.
Review August and September Facts
Remember: Learn = Instant Answer
Facts With 11
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2 + 9 = 11 9 + 2 = 11 11 - 2 = 9 11 - 9 = 2
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3 + 8 = 11 8 + 3 = 11 11 - 3 = 8 11 - 8 = 3
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4 + 7 = 11 7 + 4 = 11 11 - 4 = 7 11 - 7 = 4 Straight Line Facts
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5 + 6 = 11 6 + 5 = 11 11 - 5 = 6 11 - 6 = 5
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Facts With 12
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3 + 9 = 12 9 + 3 = 12 12- 3 = 9 12 - 9 = 3 |
4 + 8 = 12 8 + 4 = 12 12 - 4 = 8 12 - 8 = 4
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5 + 7 = 12 7 + 5 = 12 12 - 5 = 7 12 - 7 = 5 |
Doubles Plus 1
One of the addends is one more than the addend in the doubles fact. So the sum will be one more than the sum of the doubles. Remember fact families and you will also know the subtraction facts.
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3 + 4 = 7 4 + 3 = 7 7- 3 = 4 7 - 4 = 3 Doubles Fact is 3 + 3 = 6 |
5 + 4 = 9 4 + 5 = 9 9 - 5 = 4 9 - 4 = 5 Doubles Fact is 4 + 4 = 8 |
5 + 6 = 11 6 + 5 = 11 11 - 5 = 6 11 - 6 = 5 Doubles Fact is 5 + 5 = 10 |
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7 + 6 = 13 6 + 7 = 13 13 - 7 = 6 13 - 6 = 7 Doubles Fact is 6 + 6 = 12 |
7 + 8 = 15 8 + 7 = 15 15 - 7 = 8 15 - 8 = 7 Doubles Fact is 7 + 7 =14 |
9 + 8 = 17 8 + 9 = 17 17 - 9 = 8 17 - 8 = 9 Doubles Fact is 8 + 8 = 16 |
Have fun practicing your math facts with this resource created by second grade teacher Lanise Jacoby. See some great ideas at