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Number Sense Vocab

Subjects : math, number-sense
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. To drop a percent






2. Simplifying complex fractions: two methods






3. Percent decrease






4. The answer to a subtraction problem






5. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.






6. The answer to a multiplication problem






7. Number divisible by 3






8. How much a number is worth






9. A value that does not change; any number






10. A letter that represents a value that may change






11. To place a fraction in lowest terms






12. Relationship in which a number is smaller than another






13. A comparison of 2 numbers; one form is a fraction






14. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3






15. Reducing fractions






16. Probability






17. To change a percent to a decimal






18. The difference between the greatest and the least numbers in a set of data.






19. A shortcut for writing repeated multiplication






20. In 4x4=16 - what is 4?






21. Average A per B






22. 1/5 + 1/4=4/20 +5/20 and 20 is the...






23. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2






24. A fraction whose numerator is greater than its denominator






25. Median






26. Two factors together that are multiplied to equal a larger number.






27. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers






28. odd + odd






29. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)






30. Be identical or equivalent to






31. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...






32. Number divisible by 5






33. A number that results from multiplying a factor by itself






34. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.






35. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi






36. 8x8=64 What is 64?






37. Answer to a multiplication problem






38. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)






39. Number divisible by 6






40. A line for representing and graphing numbers. Each point on the line corresponds to a number.






41. Number divisible by 4






42. A number made up of a whole number and a fraction






43. The greatest whole number that is a factor of two or more nonzero whole numbers






44. A set of operators - numbers - variables and grouping symbols; no equal sign






45. Dividing decimals






46. Dividing fractions






47. A number with one or more digits to the right of the decimal point - E.g. .33






48. Absolute value of number






49. When a number is larger than the other number. Example 65 > 56






50. New whole