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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. Reciprocal of number






2. Number divisible by 6






3. How much a number is worth






4. Multiple-event probability






5. Properties of 0

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6. A fraction out of 100 - %






7. To make a percent






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






9. Number divisible by 3






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






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






12. To place a fraction in lowest terms






13. 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)






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






15. Percent decrease






16. A fraction whose numerator is greater than its denominator






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






18. Number divisible by 5






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






20. Simplifying complex fractions: two methods






21. Average A per B






22. Comparing positive fractions






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






24. To drop a percent






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






26. The answer to a multiplication problem






27. A value that does not change; any number






28. Natural Numbers - Whole Numbers - Integers - Rational Numbers






29. Answer to a division problem






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






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






32. Median






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






34. Mode






35. Adding/subtracting decimals






36. 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






37. A number with more than two factors






38. New whole






39. Probability






40. odd + odd






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






42. Comparing decimal fractions






43. Multiplying decimals






44. 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






45. Percent increase






46. Reducing fractions






47. Properties of 1 and -1

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






49. Answer to a multiplication problem






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