Quick Overview: ... to this number so it's an easy way to do See concrete and pictorial examples of the Sometimes it's just easier to round part of the problem, solve it, then
Mental Math Subtraction Using Compensation - Detailed Overview & Context
... to this number so it's an easy way to do See concrete and pictorial examples of the Sometimes it's just easier to round part of the problem, solve it, then Subtraction using Compensation (Grade 2 Module 5 Lesson 6)