Inequalities Like x > 5: From Words to Symbols
I can write an inequality (x > c or x < c) from a real-life sentence.
📘 Word Bank + Sentence Frames
greater than (>)less than (<)at least (≥)at most (≤)variable x
- "more than / greater than" → > · "fewer than / less than" → <
- "at least" → ≥ · "at most / no more than" → ≤
- Frame: "Let x = ____. The inequality is x ____ ____."
👀 See It: A Worked Example
"You must be more than 5 years old to ride." Let x = your age.
| Words | Inequality |
|---|---|
| more than 5 | x > 5 |
On a number line, x > 5 uses an open circle at 5 (5 is not included) with the arrow going right.
✏️ Your Turn
0 of 3 checks complete
1. "The temperature is less than 10°." Which inequality? (Let t = temperature.)
2. "You need more than 3 tickets." Which inequality? (Let x = tickets.)
3. The phrase "less than" matches which symbol?
💬 Explain Your Thinking
Write your own real-life inequality:
"Let x = blank. In my situation, x blank blank because blank."