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Grade 1 - Addition And Subtraction To 100

total lessons: 13
Activity titletype

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