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Grade 1 - Addition And Subtraction To 100
total lessons: 10
Nº | LESSONS title | type |
---|---|---|
Adding Without Regrouping To 100 | ||
1 | Adding Ones to 2-Digit Numbers Within 100 Without Regrouping | |
2 | Adding Tens Within 100 | |
3 | Adding Tens to 2-Digit Numbers Within 100 | |
4 | Adding 2-Digit Numbers Within 100 Without Regrouping | |
Adding With Regrouping To 100 | ||
5 | Adding Ones to 2-Digit Numbers Within 100 with Regrouping | |
6 | Adding 2-Digit Numbers Within 100 with Regrouping | |
Subtracting Multiples Of 10 | ||
7 | Subtracting Tens Within 100 | |
8 | Subtracting Tens by Counting Backward | |
Mentally Adding And Subtracting 10 | ||
9 | Mentally Adding Tens to 2-Digit Numbers by First Adding the Tens | |
10 | Mentally Subtracting Tens from 2-Digit Numbers by First Subtracting the Tens |