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UNIT 3
CHAPTER 9
Lesson 9-2
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CHAPTER 9 ADDITION STRATEGIES
Lesson 9-2 Count On 1, 2, or 3
Circle the greater number.
Count on to add.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Number Sense
Count on to solve.
21.
There are 9
.
There are 3
.
How many balls are there in all?
_______
balls
Your child used a number line to count on to add.
Activity:
Write 7 + 2. Have your child name the greater number, and then use the number line to add. Repeat with other addition problems to 12.
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