Associative Property to make a Hundred

Examples, videos, and 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

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

NYS Math Grade 2 Module 5 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
   

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