Two Digit Addition and Subtraction Strategies
The common core asks that students "add and subtract using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction..." but what does that mean? Take a look at these 8 addition and 8 subtraction strategies that students can use to compute 2 and 3 digit problems without using the standard algorithm- which students should not rely on until 4th and 5th grade!
Includes 8 easy to read Addition Strategy Posters 8 Subtraction Strategy Posters PLUS Parent Letter explaining the new way we teach addition and subtraction strategies over the traditional algorithm and why, and addition and subtraction reference pages, great for students and parents! NEW: Animated Teaching Power Point to help students and parents understand how the strategies work!
Detailed explanation of each of the 8 strategies and how best to introduce them to students.