Solving linear equations
KS3 · 25 minutes · Solve equations with the unknown on both sides.
Answer by: Type. You can change method or take a break at any time.
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Our learning goal
Solve equations with the unknown on both sides.
Your turn: Choose one thing you would like to understand by the end.
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My lesson notes & project
Full teaching script
- Today: Solving linear equations. Our goal: Solve equations with the unknown on both sides.
- Take one idea at a time. Pause after each sentence; ask for repetition whenever you need it.
- An equation is a balance. Whatever you do to one side you do to the other. 5x − 3 = 2x + 9 → subtract 2x → 3x − 3 = 9 → add 3 → 3x = 12 → divide → x = 4.
- Together: choose one example from the explanation and show how it works. What do you notice?
- Your turn: Solve 7x + 2 = 3x + 18 and 4(x − 1) = 2x + 6.
- Reflect: what made sense, and what would you like explained differently?
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