Addition/ Subtraction Strategies

Pick the best strategy for:

10 + 10

• Count All

• Count On

• Doubles

Pick the best strategy for:

3 + 7

• Count On

• Friends of 10

• Split

Pick the best strategy for:

• Count All

• Count On

• Doubles

Pick the best strategy for:

47 - 3

• Count On

• Count Back

• Split

Pick the best strategy for:

56 - 53

• Count On

• Count Back

• Split

Pick the best strategy:

52 + 34

• Count On

• Doubles

• Split

Pick the least best strategy for:

39 - 27

• Count On

• Count Back

• Split

Pick the least best strategy:

30 + 30

• Count On

• Split

• Doubles

Pick the least best strategy:

• Count All

• Skip Count

• Doubles

Pick the least best strategy:

50 + 50

• Friends of 10

• Doubles

• Count On