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Math in Focus Chapter 2

Math in Focus Chapter 2

Author: Sara Levine
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Tutorial

Math in Focus Chapter 2 Video 1

This video explains how to decompose numbers to help you add them together mentally.

Source: Math in Focus

Math In Focus Chapter 2.1 video 2

Here we talk about different steps we could take to add two 2-digit numbers together mentally and showing our thinking with equations.

Math in Focus Chapter 2.1 video 3

In this video we look at three different strategies we can use to show how we solve addition problems with regrouping.

Source: Math in Focus

Math in Focus Chapter 2 Video 2 - Strategy Share

Students explain how they used mental math to solve the problem 149 + 33. Students use Number Bonds to help them organize their thinking.

Source: Math in Focus