Across
- 3. Doing maths with letters
- 4. Eg. 3x+3y+4 or 5xy+5x-3
- 6. Replacing a letter with a number
- 7. Eg. 3x and 5x, or 6ab and 2ab
- 9. Another name for a maths letter
Down
- 1. The number before a letter
- 2. Division is written like a...
- 5. The proper name for a maths letter
- 8. Eg. 4ab, 5xy, 2a