What a Letter Stands for Worksheet with Answer Key

What's on the worksheet

1. Say whether each letter is an unknown or a placeholder in a general rule.
   4w = 36a - a = 025 = q + 13h \div 1 = h\dfrac{y}{3} = 5
2. Explain what 6p means, write a product without a times sign, and fix Ben's value of 2b.
3. Say whether each bold letter is a variable, a unit, a fixed number or a point.
4. Fix sentences that start problems so each letter stands for a number with its unit.
5. Decide which sentences say the same thing as an equation with two letters.
6. Work out Elena's two whiteboard areas using one letter in a formula.
7. Write sentences with n that are always true, true once, or never true.