Lesson 21 addition and subtraction g1.pptx

marianamhammadahmad 8 views 17 slides Feb 25, 2025
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math

Size: 25.07 MB
Language: en
Added: Feb 25, 2025
Slides: 17 pages

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Lesson 21: Addition and Subtraction Objectives: -differentiate between addition and subtraction. - practice addition and subtraction. -solve the problem by addition or subtraction.

Page 82

Activity 5+2=7 7-5 = 2 7-2 =5 7 5 2

addition and subtraction and opposite to each other.
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