How to Subtract Negatives | Number Line Model, Simplifying Expressions & Real-World Integer Problems

Описание: Practise subtracting negative numbers with clear, step-by-step worked examples and real-world applications.

This video builds on the concepts introduced in Adding Negative Numbers:    • Introduction to Integers | Number Line, Op...  

In this video, you’ll learn how to:
Model subtraction of integers
Simplify expressions involving integers
Evaluate variable expressions with integers
Translate word phrases into algebraic expressions
Apply integer subtraction in everyday word problems

These exercises are perfect for Year 7 - Year 9 students, teachers, or anyone revising pre-algebra integer skills. Follow along to strengthen your understanding of subtracting integers and applying them in real-life situations.

🕒 Chapters

00:00 Intro
00:38 Overview
00:52 How to subtract integers (with examples)
05:09 More integer subtraction practice
10:20 Substitute then solve to subtract integers
12:36 Translate and simplify to subtract integers
14:07 Steps to solve application problems
14:52 Application problem examples
22:36 Outro

📘 Source:

Marecek, Lynn; Anthony-Smith, MaryAnne; Mathis, Andrea Honeycutt. Prealgebra 2e. OpenStax, Houston, Texas, 11 Mar 2020.
Available at: https://openstax.org/books/prealgebra...

Section reference:
https://openstax.org/books/prealgebra...

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