Tools for Algebra

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Across
  1. 5. – replace a variable with a number or expression.
  2. 7. – a statement that two expressions are equal.
  3. 8. Property – multiply a sum or difference by a number by multiplying each term of the sum or difference by the number.
  4. 10. – a letter that represents a number.
  5. 12. property – adding 0, or multiplying by 1, does not change the number.
  6. 13. – numbers, or quantities, that do not change.
  7. 14. of operations – rules that tell you which operations to do first.
Down
  1. 1. – parts of an expression separated by a + or – sign.
  2. 2. terms – terms that have the same variables with the same exponents.
  3. 3. Property – the grouping of more than two numbers does not matter when you add or multiply.
  4. 4. Property – the order of two numbers does not matter when you add or multiply.
  5. 6. – a number that multiples a variable.
  6. 9. Property of Multiplication – the product of any number and 0 is 0.
  7. 11. Property or Opposites – the sum of a number and its opposite is 0.