Across
- 3. A letter or symbol used to represent a number
- 6. A symbol like +, −, × or ÷ used to show a mathematical operation
- 9. A mathematical sentence that shows two expressions are equal
Down
- 1. A branch of mathematics that uses pronumerals to represent numbers
- 2. Another word for a pronumeral – something that can change
- 4. A mathematical sentence made up of terms separated by + or − signs
- 5. The number in front of a pronumeral (e.g. 7 in 7x)
- 7. A single mathematical expression (like 3x or 5)
- 8. A number on its own, without a pronumeral