Algebra Vocabulary
Across
- 3. A combination of variables, numbers, and at least one operation.
- 5. Terms that contain the same variables such as x, 2x, and 3x.
- 7. A combination of numbers and operations like 3 x 2 + 4 x 4.
- 8. A symbol, usually a letter, used to represent a number.
- 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
- 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
- 13. In a power, the number that tells how many times the base is used as a factor.
Down
- 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. A term without a variable.
- 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
- 6. The rules that tell you which operation to perform first.
- 9. The numerical factor of a term that contains a variable.
- 11. Each part of an algebraic expression separated by a plus or minus sign.