Media Summary: Students in first grade are learning to compose and decompose numbers. This video explains how to multiply integers Visualizing the PRETEND-A-TEN compensation strategy
Using Two Color Counters To - Detailed Analysis & Overview
Students in first grade are learning to compose and decompose numbers. This video explains how to multiply integers Visualizing the PRETEND-A-TEN compensation strategy A number and its opposite form a “zero pair” because their sum is zero. To add integers, create as many zero pairs as possible ... This video discusses how to subtract integers