Missing Numbers in Equations
Grade 7th Grade · Math · 30 min
What's Included
Learning Objective
I can solve addition and subtraction equations with a missing variable where the sum or difference is less than or equal to 25.
Warm-Up Video
mathantics · 11:08
Algebra Basics: Solving Basic Equations Part 1 - Math Antics
Guided Notes
3 key concepts
- 1
In algebra, solving an equation means figuring out the unknown values or variables.
- 2
To keep an equation balanced, you must do the same thing to both sides.
- 3
To isolate a variable when something is being subtracted, you must add to both sides.
Practice Questions
3 questions · Short answer
Exit Ticket
Quick comprehension check
“Solve for x: 18 - x = 11. Show all steps.”
Complete Lesson Package
Get all 3 ready-to-use resources:
Teacher Guide
Student Doc
Slides
