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  • Grade 1: Understanding Addition And Subtraction
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  • Understanding Addition And Subtraction
  • Numbers To 20
  • Addition And Subtraction Within 20
  • Numbers To 40
  • Addition And Subtraction To 40
  • Numbers To 120
  • Addition And Subtraction To 100
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Grade 1 - Understanding Addition And Subtraction

total lessons: 7
NºActivity titletype

Ways To Add

1
Using Number Bonds to Add in Any Order
  • Bar Model Scale
2
Making Number Bonds To 10: Games
  • Build Your Robot
  • Bar Model Scale

Ways To Subtract

3
Counting On to Subtract Within 10
  • Bar Model Scale
4
Counting Backward to Subtract Within 10
  • Bar Model Scale

Making Fact Families

5
Using Related Addition Facts to Solve Subtraction Sentences
  • Build Your Robot
6
Using Related Subtraction Facts to Solve Addition Sentences
  • Build Your Robot

Properties Of Addition And Subtraction

7
Recalling Addition and Subtraction Facts Within 20
  • Bar Model Scale

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