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 More
Looking for Lucky 8 or 9
Friendly Numbers Counting Up
Paper and Pencil (Grandma’s Way)
Break Apart Partial Sums
Give and Take
Splitting Tens and Ones
Figure 4.8 Division Strategy Bank
Partial Quotients
Repeated Subtraction
Halving and Halving
Paper and Pencil (Grandma’s Way)
Think Multiplication