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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. Not identical or equivalent to






2. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






4. Adding/subtracting decimals






5. The largest number in a group of numbers






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






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






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






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






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






11. New whole






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






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






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






15. Properties of 0

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






17. To place a fraction in lowest terms






18. Number divisible by 2






19. Absolute value of number






20. Properties of 1 and -1

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21. An equation showing 2 ratios are equal






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






23. Percent x whole






24. 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






25. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?






26. Probability






27. Multiplying decimals






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






29. A value that does not change; any number






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






31. Relationship in which a number is smaller than another






32. A shortcut for writing repeated multiplication






33. Answer to a multiplication problem






34. Comparing decimal fractions






35. The answer to a multiplication problem






36. To change a percent to a decimal






37. odd + even






38. Properties of numbers btw -1 and 1

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






40. Adding/subtracting fractions






41. Simplifying complex fractions: two methods






42. Number divisible by 5






43. Median






44. Multiple-event probability






45. Answer to a division problem






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






47. Natural Numbers - Whole Numbers - Integers - Rational Numbers






48. 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






49. How much a number is worth






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