Flexibility within 20. Using a variety of strategies and tools to add and subtract.
Adding within 20 using a variety of strategies
ADDITION AND SUBTRACTION USING PLACE VALUE UNDERSTANDING
SEPARATE RESULT UNKNOWN PROBLEM USING DECOMPOSING TO MAKE 10
ADDING WITHIN 20 USING THE COUNTING ON STRATEGY
ADDING WITHIN 20 USING THE MAKING 10 STRATEGY
SUBTRACTION WITHIN 20 USING DECOMPOSITION
ADDITION WITHIN 2O USING THE DOUBLES FACTS STRATEGY
