On-Ramp · Grade 6 · 6.AT.C.8

A Solution Makes the Equation True

I can check whether a number is a solution by seeing if it makes the equation true.

📘 Word Bank + Sentence Frames

equationsolutionsubstitutetrue / false

  • A solution is a value that makes the equation true.
  • Substitute and check if both sides are equal.

👀 See It

Is x = 3 a solution of x + 2 = 5? Substitute: 3 + 2 = 5. True → yes.

✏️ Your Turn

0 of 3 checks complete

1. Is x = 4 a solution of x + 1 = 5?

2. Which value solves n − 2 = 6?

3. Is x = 2 a solution of 3x = 9?

💬 Explain Your Thinking

Explain how you check if a number is a solution:

"To check, I substitute blank into the equation. Both sides equal blank, so it blank a solution."