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5 + 5=10 5 + 5 = 10    9 + 9 = 18 10 + 1 = 11 + 1 = 11          10            18 + 1 = 193 + 3= 6                         ...
Remember if you have two neighbors on the number line,   DOUBLE the LOWER number and add ONE to the SUM 7+8=?            ...
Check your work below:7 + 8 = 15   5 + 6 = 11               4+3=79 + 8 = 17   2+3=7                    5+4=9    10 + 9 = 1...
Doubles +1
Doubles +1
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Doubles +1

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Doubles +1

  1. 1. 5 + 5=10 5 + 5 = 10 9 + 9 = 18 10 + 1 = 11 + 1 = 11 10 18 + 1 = 193 + 3= 6 1+1=26+1=7 2+1=38 + 8 = 1616 + 1 = 17 7 + 7 = 14 14 + 1 = 15 2+2=4 4+1=5
  2. 2. Remember if you have two neighbors on the number line, DOUBLE the LOWER number and add ONE to the SUM 7+8=? 5+6=? 4+3=?9+8=? 2+3=? 5+4=? 10 + 9 = ? 1+2=?
  3. 3. Check your work below:7 + 8 = 15 5 + 6 = 11 4+3=79 + 8 = 17 2+3=7 5+4=9 10 + 9 = 19 1+2=3

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