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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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  • Representing And Interpreting Data
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Grade 1 - Understanding Addition And Subtraction

total lessons: 10
NºActivity titletype

Ways To Add

1
Counting On to Add Within 10
  • Learn
  • Assisted practice
  • Benchmark practice
2
Using Number Bonds to Add in Any Order
  • Learn
  • Assisted practice
  • Benchmark practice
  • Bar Model Scale
3
Making Number Bonds To 10: Games
  • Build Your Robot
  • Bar Model Scale

Ways To Subtract

4
Counting On to Subtract Within 10
  • Learn
  • Assisted practice
  • Benchmark practice
  • Bar Model Scale
5
Counting Backward to Subtract Within 10
  • Learn
  • Assisted practice
  • Benchmark practice
  • Bar Model Scale

Making Fact Families

6
Writing Fact Families
  • Learn
  • Assisted practice
  • Benchmark practice
7
Using Related Addition Facts to Solve Subtraction Sentences
  • Learn
  • Assisted practice
  • Benchmark practice
  • Build Your Robot
8
Using Related Subtraction Facts to Solve Addition Sentences
  • Learn
  • Assisted practice
  • Benchmark practice
  • Build Your Robot

Understanding The Equal Sign

9
Finding Out if Number Sentences are True or False
  • Learn
  • Assisted practice
  • Benchmark practice

Properties Of Addition And Subtraction

10
Recalling Addition and Subtraction Facts Within 20
  • Learn
  • Assisted practice
  • Benchmark practice
  • Bar Model Scale

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