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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. Percent decrease






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






3. A shortcut for writing repeated multiplication






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






5. 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)






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






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






8. A number with more than two factors






9. The smallest number in a group of numbers






10. To change a percent to a decimal






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






12. To place a fraction in lowest terms






13. Percent increase






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






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






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






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






18. 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?






19. Be identical or equivalent to






20. Reciprocal of number






21. To drop a percent






22. Natural Numbers - Whole Numbers - Integers - Rational Numbers






23. Median






24. Relationship in which a number is smaller than another






25. 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.






26. Percent x whole






27. To find the answer for; solve






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






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






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






31. A fraction out of 100 - %






32. Standard deviation: greater if...






33. Average A per B






34. Properties of numbers btw -1 and 1

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35. Properties of 0

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






37. The largest number in a group of numbers






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






39. Mode






40. The expression of a number as a product of prime factors; use a factor tree!






41. Simplifying complex fractions: two methods






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






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






44. To perform a calculation - E.g. 2+2=4






45. The answer to a subtraction problem






46. Not identical or equivalent to






47. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






48. Comparing decimal fractions






49. Number divisible by 6






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







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Can you answer 50 questions in 15 minutes?


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