Equations

123456
Across
  1. 3. property of equality if you add the same number to each side of an equation, the two sides remain equal
  2. 4. operations operations which undo each other for example addition and subtraction are inverse operations
Down
  1. 1. a mathematical sentence showing two expressions are equal an equation contains an equals sign
  2. 2. the value of a variable that makes an equation true
  3. 5. sign a symbol of equality
  4. 6. to replace a variable with a value that results in a true sentence