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