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## McGraw-Hill Math Grade 3 Answer Key Chapter 2 Lesson 6 Problem Solving

**Solve.**

**Use objects to help you solve these problems.**

Question 1.

There are 6 green frogs, 11 spotted frogs, and 1 brown frog in a pond. How many frogs are there in all? Use ( ) to show two ways to group the addends.

6 + 11 + 1 = __6 + 11 + 1__

6 + 11 + 1 = ____

____ + ____ = ____

Answer:

6 + 12 = 18

17 + 1 = 18

Explanation:

There are 6 green frogs, 11 spotted frogs, and 1 brown frog in a pond

The two ways to group the addends is

(6 + 11) + 1

17+ 1 = 18

And

6 + (11 + 1)

6 + 12 = 18

So, There are 18 frogs in all.