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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. An equation showing 2 ratios are equal






2. Median






3. Multiple-event probability






4. Average value






5. A value that does not change; any number






6. To make a percent






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






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






9. Be identical or equivalent to






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






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






12. Probability






13. Dividing fractions






14. Absolute value of number






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






16. Natural Numbers - Whole Numbers - Integers - Rational Numbers






17. To change a percent to a decimal






18. 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.






19. Reducing fractions






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






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






22. The answer to a subtraction problem






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






24. Percent x whole






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






26. Number divisible by 4






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






28. Multiplying fractions






29. Percent increase






30. 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






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






32. Answer to a division problem






33. Comparing decimal fractions






34. Not identical or equivalent to






35. Properties of numbers btw -1 and 1

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






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






38. New whole






39. The answer to an addition problem






40. Dividing decimals






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






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






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






44. Number divisible by 9






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






46. Reciprocal of number






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






48. Relationship in which a number is smaller than another






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






50. A fraction out of 100 - %







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Can you answer 50 questions in 15 minutes?


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