Algebra Vocabulary

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Across
  1. 3. A combination of variables, numbers, and at least one operation.
  2. 5. Terms that contain the same variables such as x, 2x, and 3x.
  3. 7. A combination of numbers and operations like 3 x 2 + 4 x 4.
  4. 8. A symbol, usually a letter, used to represent a number.
  5. 10. This property shows the way in which three numbers are grouped when they are added or multiplied does not change their sum or product. Ex: a + (b + c) = (a + b) + c
  6. 12. Use this property to multiply a sum by a number, multiply each addend by the number outside the parenthesis. Ex: a(b + c) = ab + ac
  7. 13. In a power, the number that tells how many times the base is used as a factor.
Down
  1. 1. This property shows the sum of an addend and 0 is the addend. The product of a factor and 1 is the factor. Ex: a + 0 = a Ex: a * 1 = a
  2. 2. A term without a variable.
  3. 4. This property shows the way in which three numbers are grouped when they are added or multiplied does not change their sum or product. Ex: a + (b + c) = (a + b) + c
  4. 6. The rules that tell you which operation to perform first.
  5. 9. The numerical factor of a term that contains a variable.
  6. 11. Each part of an algebraic expression separated by a plus or minus sign.