Across
- 1. the result of multiplying a factor by a whole number
- 4. the process of using a factor tree to find the prime factors of a composite number (2 words, no space)
- 5. decimals that repeat the same set of numbers
- 6. a number whose numerator is bigger than its denominator (2 words, no space)
- 8. the result of a division expression that has a denominator of zero (2 words, no space)
- 9. to reduce a fraction to its lowest terms by removing all common factors from the numerator and denominator
- 13. shortcut used to divide fractions (3 words, no spaces)
- 18. reciprocal (2 words, no space)
- 22. the result of a division problem
- 23. the direction a decimal moves when a number is multiplied by a positive power of 10
- 24. the result of multiplying an odd number of negative numbers
- 26. the result of multiplication
- 27. multiplicative inverse
- 28. a number that has more than 2 factors
- 35. the counting numbers; these are the first numbers learned, and they introduce positive numbers (2 words, no space)
- 36. a horizontal line drawn over a group of numbers in a mathematical expression to indicate they are to be operated on as a single number; it is a grouping symbol (challenge)
- 38. numbers that are multiplied together to get a product
- 39. ab = ba; a + b = b + a (2 words, no space)
- 40. a shortcut used to add and subtract fractions (2 words, no space)
- 41. numbers that are the same distance from zero, but in different directions; change the sign
- 42. the result of a division expression that has a numerator of zero
Down
- 2. decimals that end without repeating
- 3. the bottom part of a fraction
- 7. the top part of a fraction
- 10. used to find the gcf for 2 or more numbers (2 words, no space)
- 11. the bottom part of a fraction
- 12. the result of multiplying an even number of negative numbers
- 14. a number that includes a whole number and a fraction (2 words, no space)
- 15. adding zeros as place holders in a decimal expression
- 16. the direction a decimal moves when a number is divided by a positive power of 10
- 17. a number that has only 2 factors, 1 and itself
- 19. natural numbers, their opposites, and zero; these are the numbers on the number line, and they introduce negative numbers
- 20. having the same value
- 21. the result of multiplying/dividing the numerator AND the denominator by the same number (2 words, no space)
- 25. doing math operations to whole number estimates of numbers to see if your answer makes sense
- 26. when converting fractions to decimals, the denominator must be a _____ of 10
- 29. multiplication in disguise
- 30. when adding and subtracting fractions, the fractions must have a _____ (2 words, no space)
- 31. natural numbers and zero; they introduce zero (2 words, no space)
- 32. ratios that compare two integers; they are written as fractions and include terminating and repeating decimals (2 words, no space)
- 33. the top part of a fraction
- 34. rate of change; it is calculated as change in y over change in x (challenge)
- 37. shortcut used to find both the gcf AND the lcm for 2 or more numbers (2 words, no space)