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






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






3. Standard deviation: greater if...






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






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






7. Not identical or equivalent to






8. To drop a percent






9. Answer to a multiplication problem






10. A number with more than two factors






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






12. Multiplying fractions






13. Average A per B






14. The answer to a multiplication problem






15. Adding/subtracting fractions






16. To find the answer for; solve






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






18. 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






19. Relationship in which a number is smaller than another






20. A value that does not change; any number






21. Reciprocal of number






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






23. 1/5 + 1/4=4/20 +5/20 and 20 is the...






24. New whole






25. Dividing fractions






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






27. To place a fraction in lowest terms






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






29. How much a number is worth






30. The smallest number in a group of numbers






31. Number divisible by 6






32. Percent x whole






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






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






35. 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)






36. Adding/subtracting decimals






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






38. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2






39. odd + even






40. Percent decrease






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






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






43. Comparing positive fractions






44. 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






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






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






47. Properties of 1 and -1

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






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






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