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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 an addition problem






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






3. 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)






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






5. New whole






6. 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?






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






8. Median






9. The answer to a multiplication problem






10. To place a fraction in lowest terms






11. Natural Numbers - Whole Numbers - Integers - Rational Numbers






12. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






13. Standard deviation: greater if...






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






15. 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)






16. A fraction out of 100 - %






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






18. Number divisible by 6






19. Number divisible by 2






20. Reciprocal of number






21. Answer to a division problem






22. To find the answer for; solve






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






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






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






26. To make a percent






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






28. Average value






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






30. Mode






31. Multiplying decimals






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






33. Reducing fractions






34. 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.






35. odd + odd






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






37. Adding/subtracting fractions






38. Properties of numbers btw -1 and 1

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39. Percent x whole






40. odd + even






41. Absolute value of number






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






43. Dividing decimals






44. Comparing positive fractions






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






46. Simplifying complex fractions: two methods






47. Properties of 1 and -1

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48. How much a number is worth






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






50. Average A per B