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UNIT 7
CHAPTER 27
Lesson 27-3
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CHAPTER 27 ADDITION AND SUBTRACTION TO 20
Lesson 27-3 HANDS ON/ALGEBRA: Relate Addition and Subtraction
Use
and
. Add. Then subtract.
Write the related subtraction facts.
5.
Add
Subtract
Related subtraction facts
7
6
6.
_______
_______ = _______
_______
_______ = _______
7.
_______
_______ = _______
_______
_______ = _______
8.
_______
_______ = _______
_______
_______ = _______
9.
_______
_______ = _______
_______
_______ = _______
Choose the best answer.
10.
9 + 6 =
+ 9
17
15
6
9
11.
<
16
14
7
5
Your child practiced related addition and subtraction facts.
Activity:
Have your child tell how
is related to
and
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