Across
- 5. the process of finding a solution for an equation
- 8. numbers written with exponents are in ___ form
- 12. PEMDAS steps are the order of ___
- 13. a letter or symbol standing for an unknown value
- 15. the property that shows a+b+c = c+b+a
- 16. the property that shows a(b + c) = ab + ac
- 17. the number that makes a math sentence true
- 20. expressions that include variables and operation signs
- 23. tells how many times the base is used as a factor
- 25. numbers written as one term
- 26. a unit of weight that equals 1,000 grams
- 27. the factor that is multiplied by itself to form a power
Down
- 1. a math sentence that has an equals sign
- 2. expressions written with numbers and operation signs
- 3. a unit of length slightly longer than a yard
- 4. parts of an expression separated by + or - signs
- 6. a sequence in which the same number is multiplied to make the next term
- 7. a unit of capacity in the metric system
- 9. choosing a variable to represent an unknown is ___ the variable
- 10. a number expressed by using exponents
- 11. the numeric part of a term like 3a
- 14. a five-step problem-solving plan
- 17. numbers written without exponents are in ___ form
- 18. numbers multiplied together
- 19. numbers written as a product of a number and a power of 10 are in ___ notation
- 21. a term that does not contain a variable
- 22. a sequence in which the same number is added to make the next term
- 24. find the value of an expression
- 28. the property that shows (a*b)*c = a*(b*c)