This is the addition table showing the different strategies needed to acquire mastery of the addition facts to 20.
Check out my other mental math products!
Mental Math Strategies Bundle for Addition & Subtraction
Addition & Subtraction Drills Grouped by Mental Math Strategy
Doubles Plus One Mental Math Strategy Pack
Estimating Using Friendly Numbers - (Rounding to the Nearest Ten) - Mental Math
Adding & Subtracting Multiples Of Nine Mental Math
Adding & Subtracting Multiples Of