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