Across
- 2. a number sentence with at least two numbers and one math operation
- 6. math property stating that changing the order of addends or factors does not change the result
- 9. an expression of more than two algebraic terms
- 10. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
- 12. two number sentences which obtain the same value on substituting the values of the variable
- 14. symbol that shows an operation
- 15. in an algebraic expression, a number on its own or a letter that stands for a fixed number
- 18. mathematical sentence that uses an inequality symbol, such as >, <, >, or <, to indicate that quantities are not equal
- 19. math property that states when multiplication is distributed over addition or subtraction, the result is the same
- 21. quantity on which an operation is to be done
Down
- 1. math property stating that changing the grouping of addends or factors does not change the result
- 3. a fee paid for services which is usually a percentage of the cost
- 4. a combination of numbers and variables connected by one or more operations
- 5. amount added by a seller to the cost of a good to cover expenses and make a profit in the selling price
- 7. expressions that have the same variables raised to the same power
- 8. an expression in algebra that contains one term
- 11. addition, subtraction, multiplication, division
- 13. an addition to the price of goods and services, usually a percentage of the purchase price
- 16. a mathematical statement defining an equality
- 17. a statement that the values of two mathematical expressions are equal, as indicated by the = sign
- 20. a letter or symbol that represents an unknown value