Associative Property to make a Hundred

Videos solutions to help Grade 2 students learn how to use the associative property to make a hundred in one addend.

Common Core Standards: 2.NBT.7, 2.NBT.8, 2.NBT.9

Related Topics:
Common Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math Video Lessons, Math Worksheets and Games for Grade 2

Common Core Math Video Lessons, Math Worksheets and Games for all grades

New York State Common Core Math Module 5, Grade 2, Lesson 5

NYS Math Module 5 Grade 2 Lesson 5

Lesson 5 Homework

1. Solve.
a. 32 tens = ________
b. 52 tens = ________
c. 19 tens + 11 tens = _________
d. 19 tens + 13 tens = __________
e. 28 tens + 23 tens = _________
f. 28 tens + 24 tens = __________

2. Add by drawing a number bond to make a hundred. Write the simplified number sentence and solve.
b. 190 + 460
d. 380 + 430
f. 75 + 299
g. 795 + 156