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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 answer to a multiplication problem






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






3. A number with more than two factors






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






5. A value that does not change; any number






6. Reducing fractions






7. Adding/subtracting fractions






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






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






10. Number divisible by 9






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






12. Adding/subtracting decimals






13. Properties of numbers btw -1 and 1

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14. Simplifying complex fractions: two methods






15. Not identical or equivalent to






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






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






18. 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






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






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






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






22. Multiplying fractions






23. Percent decrease






24. Answer to a multiplication problem






25. A fraction whose numerator is greater than its denominator






26. Average value






27. Number divisible by 3






28. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






30. Properties of 1 and -1

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31. A fraction out of 100 - %






32. Dividing decimals






33. The answer to an addition problem






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






35. 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)






36. Number divisible by 5






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






38. odd + even






39. Be identical or equivalent to






40. 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?






41. Comparing positive fractions






42. Number divisible by 4






43. Number divisible by 6






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






45. The largest number in a group of numbers






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






47. Relationship in which a number is smaller than another






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






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






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