Across
- 2. Combination of variables, numbers, and at least one operation (+, -, x, division).
- 10. Each number in a sequence. Each part of an algebraic expression separated by a plus or minus sign.
- 12. Numbers expressed using exponents.
- 13. Expressions that have the same value.
- 15. Properties that state that the sum of any number and 0 equals the number and the product of any number and 1 equals the number.
- 16. The way in which numbers are grouped (with parentheses) does not change the sum or product.
- 19. A symbol, usually a letter, used to represent a number.
- 21. A term without a variable.
Down
- 1. To multiply a sum by a number, multiply each addend by the number outside the parentheses.
- 3. Terms that contain the same variable(s) to the same power.
- 4. In a power, the number that tells how many times the base is used as a factor.
- 5. The numerical factor of a term that contains a variable
- 6. Numbers with square roots that are whole numbers.
- 7. The process of writing numeric or algebraic expressions as a product of their factors.
- 8. Choosing a variable and deciding what the variable represents.
- 9. The order in which the numbers are added or multiplied does not change the sum or product.
- 11. To find the value of an algebraic expression by replacing variables with numbers.
- 14. A combination of numbers and operations.
- 17. A mathematical language of symbols, including variables.
- 18. Statements that are true for any number.
- 20. In a power, the number used as a factor.