Across
- 3. A mathematical sentence showing two expressions are equal.
- 6. The use of letters or symbols in place of unknown values.
- 7. The parts that make up an expression, separated by + or - signs.
Down
- 1. A mathematical statement that two values are not equal.
- 2. A number used to multiply a variable.
- 4. A number on its own, whose value never changes.
- 5. An unknown value represented by a letter.