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Math Family Night

Math Family Night. C-FB ISD Grades K-2 2012-2013. Helping Children Master the Basic Addition Combinations. Cluster Strategies. Count On Use Doubles Bridge to 10. Count On. Substrategies : *Count on 1 *Count on 2 *Count on 3 *Count on 0. Try These!. 24 + 0 = 72 + 1 = 89 + 2 =

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Math Family Night

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  1. Math Family Night C-FB ISD Grades K-2 2012-2013

  2. Helping Children Master the Basic Addition Combinations

  3. Cluster Strategies • Count On • Use Doubles • Bridge to 10

  4. Count On Substrategies: *Count on 1 *Count on 2 *Count on 3 *Count on 0

  5. Try These! 24 + 0 = 72 + 1 = 89 + 2 = 45 + 3 =

  6. Use Doubles Substrategies: *Double *Double plus 1 (Double minus 1) *Double plus 2 (Double minus 2)

  7. Let’s Try! 6 + 6 = 12 6 + 7 = (6 + 6) + 1 = 12 + 1 = 13 4 + 4 = 8 4 + 5 = (4 + 4) + 1 = 9 3 + 2 = Either count on or double plus 1/double minus 1

  8. Future Thoughts 24 + 25 = (24 + 24 ) + 1 = 49 156 + 157 = (156 + 156) + 1 = (100 + 100 + 50 + 50+ 6 + 6 + 1 = 313

  9. Bridge to 10

  10. Let’s Try 9 + 7 = 9 + (1 + 6) = (9+1) + 6 = 10 + 6 = 16 8 + 5 = 13, why (8 + 2) + 3 = 10 + 3 = 13

  11. Future Thoughts 17 + 5 = Think 17 + 3 = 20 and 20 + 2 = 22 89 + 23 = Think 89 + 11 = 100 and 100 + 12 = 112.

  12. Making 10 6 + 4 7 + 3 4 + 6 5 + 5 3 + 7 2 + 8 9 + 1

  13. Adding 9 2 + 9 = 19 + 9= Think 19 + 10 = 29; 29-1 = 28 25 + 9 = Think 25 + 10 = 35; 35-1=34 157 + 9 = Think 157 + 10 = 167; 167-1 = 166 27 + 99 = Think 27 + 100 = 127 ; 127-1=126 54 + 19 = Think 54 + 20 = 74; 74-1 = 73

  14. Why use Strategies?

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