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Grade 1 - Addition And Subtraction To 100
total lessons: 13
| Nº | Activity title | type |
|---|---|---|
Adding Without Regrouping To 100 | ||
| G1.7.1 | Adding Ones to 2-Digit Numbers Within 100 Without Regrouping | |
| G1.7.2 | Adding Tens Within 100 | |
| G1.7.3 | Adding Tens to 2-Digit Numbers Within 100 | |
| G1.7.4 | Adding 2-Digit Numbers Within 100 Without Regrouping | |
| G1.7.5 | Adding Without Regrouping To 100: Games | |
Adding With Regrouping To 100 | ||
| G1.7.6 | Adding Ones to 2-Digit Numbers Within 100 with Regrouping | |
| G1.7.7 | Adding 2-Digit Numbers Within 100 with Regrouping | |
| G1.7.8 | Adding With Regrouping To 100: Games | |
Subtracting Multiples Of 10 | ||
| G1.7.9 | Subtracting Tens Within 100 | |
| G1.7.10 | Subtracting Tens by Counting Backward | |
| G1.7.11 | Subtracting Multiples Of 10: Games | |
Mentally Adding And Subtracting 10 | ||
| G1.7.12 | Mentally Adding Tens to 2-Digit Numbers by First Adding the Tens | |
| G1.7.13 | Mentally Subtracting Tens from 2-Digit Numbers by First Subtracting the Tens | |