Subtracting Rational Numbers | Grade 7 - The Number System
Welcome back to Math Defined, your go-to channel for all things math. Today, we're diving into subtracting rational numbers, including fractions, mixed numbers, and decimals. Ready to master this? Let's get started!
In this video, we'll cover:
1. *Understanding the Key Concept:*
Subtracting a number is the same as adding its opposite.
2. *Example Problems:*
*Fractions:*
1.) 5/11 - 7/11
2.) 3/4 - (-5/8)
*Mixed Numbers:*
3.) -1 3/8 - (-8 1/2)
*Decimals:*
4.) 2.4 - 5.6
5.) -3.1 - 4.8
6.) -0.45 - (-0.05)
We'll explain how to convert subtraction problems into addition problems by adding the opposite, find common denominators for fractions, and solve each problem step by step.
*Highlights:*
Converting subtraction into addition by adding the opposite.
Finding common denominators for fractions.
Simplifying improper fractions.
Handling decimals and determining the sign of the result.
*Watch till the end to master subtracting rational numbers and build your math confidence!*
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Thanks for watching, and keep rocking that math! 🎉
All videos on my channel are meant to enhance any homeschool math curriculum, and reinforce the math skills and concepts practiced in your math classroom.
About Math Defined with Mrs. C. This channel provides instructional math videos that are directly aligned with math standards. Students, teachers, and parents/guardians from around the world have used these videos to help teach math skills and content.
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