Shrinking Toy
1.OA.5.A1 – Using addition and subtraction within 20.
Act 1
What do you notice? What do you wonder?
Focus Questions – How tall is it when it expands/grows? How tall is it when it shrinks? What is the difference in height?
Act 2
Act 3
1.OA.5.A1 – Using addition and subtraction within 20.
What do you notice? What do you wonder?
Focus Questions – How tall is it when it expands/grows? How tall is it when it shrinks? What is the difference in height?