Solving Equations with Addition and Subtraction

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Objective

I can solve equations by using addition or subtraction with positive and negative numbers, fractions, and decimals to find the value of the variable.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

What does it mean to "isolate the variable" in an equation, and why is it important when solving for the variable's value?

2

Explain the concept of "inverse operations" and provide an example of an addition operation and its corresponding inverse operation.

Part 3 of 3

Exit ticket

Quick comprehension check

Solve for x: x + 2.7 = -5.1 Solve for y: y - (⅓) = ⅔

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

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