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Grade 2 - Addition And Subtraction Within 20

total lessons: 8
NºActivity titletype

Mental Addition

1
Mentally Adding Ones Using Doubles Facts
2
Mentally Adding 1-Digit Numbers to 2-Digit Numbers by First Adding the Ones
3
Adding Mentally by Making 10
4
Adding Mentally Using Doubles Facts

Mental Subtraction

5
Mentally Subtracting 1-Digit Numbers Using Number Bonds
6
Mentally Subtracting 1-Digit Numbers from 2-Digit Numbers Using Number Bonds
7
Mentally Subtracting 1-Digit Numbers from 2-Digit Numbers by First Subtracting the Ones
8
Subtracting Mentally Using Number Bonds