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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. A value that does not change; any number






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






3. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2






4. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6






5. Dividing decimals






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






7. Able to be divided evenly (without a remainder)






8. 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






9. Simplifying complex fractions: two methods






10. Relationship in which a number is smaller than another






11. The largest number in a group of numbers






12. Answer to a multiplication problem






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






14. Percent increase






15. A number with more than two factors






16. Properties of 1 and -1

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17. Two expressions that are set equal to each other; a number sentence with an equal sign






18. Number divisible by 5






19. Multiple-event probability






20. A shortcut for writing repeated multiplication






21. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5






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






23. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...






24. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300






25. The answer to an addition problem






26. Number divisible by 6






27. Percent decrease






28. Number divisible by 2






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






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






31. Properties of numbers btw -1 and 1

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32. Adding/subtracting fractions






33. Number divisible by 3






34. To change a percent to a decimal






35. An equation showing 2 ratios are equal






36. Reducing fractions






37. A fraction whose numerator is greater than its denominator






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






39. Average value






40. Average A per B






41. Adding/subtracting decimals






42. 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.






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






44. Properties of 0

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






46. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?






47. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)






48. To place a fraction in lowest terms






49. Rational numbers in decimal form that have a block of on or more digits that repeat continuously






50. The smallest number in a group of numbers







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Can you answer 50 questions in 15 minutes?


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