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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
  • Reasoning With Shapes
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Grade 1 - Addition And Subtraction To 100

total lessons: 10
NºLESSONS titletype

Adding Without Regrouping To 100

1
Adding Ones to 2-Digit Numbers Within 100 Without Regrouping
  • Learn
  • Assist practice
  • Benchmark practice
2
Adding Tens Within 100
  • Learn
  • Assist practice
  • Benchmark practice
3
Adding Tens to 2-Digit Numbers Within 100
  • Learn
  • Assist practice
  • Benchmark practice
4
Adding 2-Digit Numbers Within 100 Without Regrouping
  • Learn
  • Assist practice
  • Benchmark practice

Adding With Regrouping To 100

5
Adding Ones to 2-Digit Numbers Within 100 with Regrouping
  • Learn
  • Assist practice
  • Benchmark practice
6
Adding 2-Digit Numbers Within 100 with Regrouping
  • Learn
  • Assist practice
  • Benchmark practice

Subtracting Multiples Of 10

7
Subtracting Tens Within 100
  • Learn
  • Assist practice
  • Benchmark practice
8
Subtracting Tens by Counting Backward
  • Learn
  • Assist practice
  • Benchmark practice

Mentally Adding And Subtracting 10

9
Mentally Adding Tens to 2-Digit Numbers by First Adding the Tens
  • Learn
  • Assist practice
  • Benchmark practice
10
Mentally Subtracting Tens from 2-Digit Numbers by First Subtracting the Tens
  • Learn
  • Assist practice
  • Benchmark practice

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