Across
- 4. operations operations which undo each other for example addition and subtraction are inverse operations
- 6. a mathematical sentence showing two expressions are equal an equation contains an equals sign
Down
- 1. sign a symbol of equality
- 2. property of equality if you add the same number to each side of an equation, the two sides remain equal
- 3. to replace a variable with a value that results in a true sentence
- 5. the value of a variable that makes an equation true