Wednesday 24- 4 (10.2 Connecting Addition and Subtraction)

L.O.: • Use the connection between addition and subtraction to find the inverse calculation.

 • Find the addition and subtraction fact family for a set of 3 numbers.

 • Use rounding to estimate a solution and the inverse calculation to check a solution.

Introducing Inverse Addition and Subtraction ppt.

Classwork Learner's book pages

Homework Workbook pages