Figure 4.6 Subtraction Strategy Bank
Partial Differences
Add to Subtract (Count Up)
Paper and Pencil (Grandma’s Way)
Same Difference
Figure 4.7 Multiplication Strategy Bank
Friendly Numbers
Repeated Addition
Paper and Pencil (Grandma’s Way)
Break Apart
Partial Products
Distributive Property
Figure 4.5 Addition Strategy Bank
Ten and MoreLooking for Lucky 8 or 9Friendly Numbers Counting UpPaper and Pencil (Grandma’s Way)Break Apart Partial SumsGive and TakeSplitting Tens and OnesFigure 4.8 Division Strategy Bank
Partial Quotients
Repeated Subtraction
Halving and Halving
Paper and Pencil (Grandma’s Way)
Think Multiplication