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Sums and Funs

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    Patterns in an addition chart
  •   Study   Slideshow
  • Tell me a DOUBLES fact.
    1+1=2, 2+2=4, 3+3=6...
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  • True or False: 3+3 is a DOUBLE.
    True
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  • True or False: 1+2 is a DOUBLE.
    False
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  • What are two numbers with a sum of 15?
    15+0, 14+1, 13+2...
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  • What are two numbers with a sum of 9
    9+0, 8+1, 7+2...
  •  15
  • 8 + 5 =
    13
  •  15
  • 222 + 0 =
    222
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