Using the Re-Grouping strategy for two-digit subtraction
Adding within 20 using a variety of strategies
Building Flexibility and Fluency within 20 using the Place Mat strategy
PART-PART-WHOLE PROBLEM TYPE USING PLACE VALUE ADDITION
MEASUREMENT PROBLEM USING TAPE DIAGRAM AND NUMBER LINE
SUBTRACTION WITHIN 100 USING DECOMPOSING STRATEGY
USING ADDITION ON AN OPEN NUMBER LINE TO SOLVE SUBTRACTION
SUBTRACTION WITHIN 100 USING REGROUPING STRATEGY
ADDITION WITHIN 100 USING REGROUPING STRATEGY
ADDITION USING AN OPEN NUMBER LINE
