Instructional Video4:50
Curated Video

Adding Positive and Negative Integers Using a Number Line

K - 5th
This video explains the concept of integers and demonstrates how to graph the addition problems on a number line. Students also learn to consider the absolute value of the addends to determine whether the answer should be positive or...
Instructional Video1:36
Curated OER

How Do You Multiply and Divide Numbers with Different Signs?

5th - 8th
After multiplying integers that have positive and/or negative signs, how is the sign of the product determined? This is a foundation skill that your pupils should know like the backs of their hands. If you need to reinforce the rules of...