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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. Dividing fractions






2. A shortcut for writing repeated multiplication






3. Absolute value of number






4. Properties of numbers btw -1 and 1






5. Comparing decimal fractions






6. Number divisible by 6






7. Adding/subtracting decimals






8. To find a number that is close to an exact answer - E.g. 23+24 is around 50






9. Number divisible by 4






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






11. The answer to a subtraction problem






12. The smallest number in a group of numbers






13. The answer to a multiplication problem






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






15. Average A per B






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






17. To drop a percent






18. Not identical or equivalent to






19. Number divisible by 3






20. Multiplying decimals






21. Median






22. New whole






23. Mode






24. The largest number in a group of numbers






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






26. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






27. Average value






28. An equation showing 2 ratios are equal






29. A value that does not change; any number






30. Simplifying complex fractions: two methods






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






32. The answer to an addition problem






33. Multiple-event probability






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






35. How much a number is worth






36. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6






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






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






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






40. 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)






41. Comparing positive fractions






42. Standard deviation: greater if...






43. To make a percent






44. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)






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






46. Relationship in which a number is smaller than another






47. To place a fraction in lowest terms






48. A number that is multiplied by another number to find a producr






49. Percent increase






50. To change a percent to a decimal