Adding Zero
Subtracting by One
Adding One
Subtracting by Two
Adding Two
Subtracting Half of a Double
Adding Doubles to 10
Subtracting with Zeros
Adding Nine
Subtracting with Twos
Adding Doubles to 20
Subtracting Doubles Plus One
Adding Doubles Plus One
Subtracting from Ten
Adding One / Doubles to 20
Subtracting by Nine
Addition Odd Balls
Subtraction Odd Balls
Mixed #1 (0-10) Add
Mixed #1 (0-10) Subtract
Mixed #2 (0-10) Add
Mixed #2 (0-10) Subtract
Mixed #3 (0-10) Add
Mixed #3 (0-10) Subtract
Go to:
Gr K
Gr 1
Gr2
Gr3
Gr4