Across
- 6. multiplying each term in a sum or difference by a common factor does not change the value of the expression. For any numbers a, b and c, a(b+c) = ab + ac
- 7. two or more expressions in different forms that always name the same value.
- 9. the biggest factor two or more numbers have in common.
- 11. the number or quantity (amount) that a variable or expression represents.
- 12. a number, variable, or a product of numbers, variables, and/or expressions. A term may include an exponent.
Down
- 1. to replace one thing with another (of equal value)
- 2. a number that is multiplied by a variable.
- 3. a letter that represents an unknown number
- 4. two or more terms that have the same variable factors.
- 5. a group of numbers , variables and/or operation symbols that represents a mathematical relationship. An expression without variables, such as 3 + 4, is called a numerical expression. An expression with variables, such as 5b2, is called an algebraic expression.
- 8. a value that can be substituted for a variable to make an equation true
- 10. involving variables or the rules of algebra.