Mental Math
Left to Right Addition - 2 Digit
Left to Right Addition - 3 Digit
Left to Right Subtraction - 2 digit - No regrouping
Left to Right Subtraction -2 Digit - with regrouping
Left to Right Subtraction - 3 digit - No regrouping
Left to Right Subtraction - 3 digit - With regrouping
Multiplication: 2 X 2 with multiples of 10