Encourage use of and have Addition
Strategies Menus, desk number
lines, 200 Charts, and base-ten
pieces readily available. Discuss
various solution strategies.
87 + 29
100
+ 16
116
Strategies will vary. One
possible response:
87 + 3 is 90 + 29 + 1 is 30
120 − 4 = 116
J. Help Levi
Levi rushed through his homework and did not finish the problem.
Complete Levi's work.