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






2. Percent increase






3. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






5. Number divisible by 2






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






7. odd + even






8. Average A per B






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






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






11. Multiple-event probability






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






13. Standard deviation: greater if...






14. A number with more than two factors






15. A fraction out of 100 - %






16. Multiplying fractions






17. To make a percent






18. To drop a percent






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






20. Comparing positive fractions






21. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)






22. Reducing fractions






23. The smallest number in a group of numbers






24. Number divisible by 6






25. To change a percent to a decimal






26. 1/5 + 1/4=4/20 +5/20 and 20 is the...






27. A letter that represents a value that may change






28. 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.






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






30. Be identical or equivalent to






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






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






33. Answer to a multiplication problem






34. A value that does not change; any number






35. 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






36. Dividing fractions






37. Number divisible by 3






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






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






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






41. A shortcut for writing repeated multiplication






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






43. Simplifying complex fractions: two methods






44. Properties of numbers btw -1 and 1


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






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






47. Number divisible by 5






48. Percent x whole






49. Mode






50. 8x8=64 What is 64?