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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. 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)






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






3. 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)






4. Standard deviation: greater if...






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






6. The answer to an addition problem






7. The smallest number in a group of numbers






8. Median






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






10. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?






11. How much a number is worth






12. Absolute value of number






13. Multiplying fractions






14. To place a fraction in lowest terms






15. A value that does not change; any number






16. Properties of numbers btw -1 and 1

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






18. Number divisible by 6






19. Properties of 1 and -1

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20. Multiple-event probability






21. New whole






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






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






24. Be identical or equivalent to






25. To find the answer for; solve






26. Probability






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






28. When a number is larger than the other number. Example 65 > 56






29. A number with more than two factors






30. Adding/subtracting fractions






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






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






33. Properties of 0

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34. The largest number in a group of numbers






35. odd + odd






36. Multiplying decimals






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






38. To make a percent






39. Number divisible by 3






40. The answer to a subtraction problem






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






42. Not identical or equivalent to






43. 8x8=64 What is 64?






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






45. Adding/subtracting decimals






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






47. Answer to a division problem






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






49. A letter that represents a value that may change






50. Simplifying complex fractions: two methods