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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 number made up of a whole number and a fraction






2. A value that does not change; any number






3. Adding/subtracting fractions






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






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






6. Answer to a division problem






7. Properties of numbers btw -1 and 1

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8. Number divisible by 3






9. Properties of 0

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10. Not identical or equivalent to






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






12. Simplifying complex fractions: two methods






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






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






15. To change a percent to a decimal






16. Percent decrease






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






18. Number divisible by 6






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






20. 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.






21. New whole






22. Percent increase






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






24. Reducing fractions






25. Absolute value of number






26. Multiplying fractions






27. odd + even






28. A fraction whose numerator is greater than its denominator






29. Number divisible by 9






30. Standard deviation: greater if...






31. The answer to a multiplication problem






32. Be identical or equivalent to






33. To drop a percent






34. How much a number is worth






35. Dividing fractions






36. The answer to an addition problem






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






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






39. Comparing positive fractions






40. Dividing decimals






41. Multiple-event probability






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






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






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






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






46. To make a percent






47. 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?






48. 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)






49. A shortcut for writing repeated multiplication






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