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






2. Be identical or equivalent to






3. Reciprocal of number






4. To make a percent






5. Comparing positive fractions






6. To change a percent to a decimal






7. Number divisible by 6






8. Answer to a division problem






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






10. 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






11. Probability






12. A shortcut for writing repeated multiplication






13. An equation showing 2 ratios are equal






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






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






16. Multiplying fractions






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






18. Standard deviation: greater if...






19. 1/5 + 1/4=4/20 +5/20 and 20 is the...






20. Comparing decimal fractions






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






22. Answer to a multiplication problem






23. 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)






24. New whole






25. Number divisible by 5






26. Percent increase






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






28. Two expressions that are set equal to each other; a number sentence with an equal sign






29. The answer to an addition problem






30. The smallest number in a group of numbers






31. Simplifying complex fractions: two methods






32. Median






33. Average A per B






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






35. How much a number is worth






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






37. 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.






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






39. Number divisible by 9






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






41. To drop a percent






42. Mode






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






44. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=






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






46. Multiple-event probability






47. Number divisible by 4






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






49. odd + odd






50. To place a fraction in lowest terms