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Name
1-2
Add.
1.
2+6=
2.
8 + 7 = 15
8
5+1=
8+1=
6
9
7 + 5 = 12
8 + 8 = 16
6
4-2=
2
8-1=
7
4
16 - 9 =
7
15 - 8 =
7
Subtract.
3.
9-3=
4. 12 -
8=
5. Write two equations for each Math Mountain. Equations may vary.
14
13
9
7+5=
14 - 9 =
=
5+7
9+
=
6
6+
4
=
8
+
8-
=
3
8-3=
UNIT 1 LESSON 2
13
13 - 6 =
14
8
6. Stretch Your Thinking Write four
equations for this Math Mountain.
3+
=
3=8
3
Relate Addition and Subtraction
© Houghton Mifflin Harcourt Publishing Company
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