Subtraction on a Number Line
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Lesson Summary:
In this lesson, Professor Perez explains how to subtract on a number line by moving to the left. He walks through several examples, including word problems and equation form, to help students understand the concept. The professor also introduces a Kung Fu math technique to help students better understand subtraction. Overall, this lesson provides a great foundation for understanding subtraction on a number line.
Lesson Description:
Subtracting numbers on a number line.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- How do you subtract numbers using a number line?
- How do you subtract positive and negative integers using a number line?
- What number needs to be subtracted from 5 to get -2?
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Staff Review
This video explains how to subtract numbers using a number line. Both positive and negative whole numbers are subtracted in this video. Subtracting is explained as moving to the left on the number line. At the end of the video, the video asks what number needs to be subtracted from 5 to get -2. -
