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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. Mode






2. Adding/subtracting fractions






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






4. A shortcut for writing repeated multiplication






5. Number divisible by 5






6. To drop a percent






7. 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






8. To place a fraction in lowest terms






9. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






11. Number divisible by 3






12. Simplifying complex fractions: two methods






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






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






15. Average value






16. Reciprocal of number






17. Properties of 0


18. New whole






19. Properties of numbers btw -1 and 1


20. odd + odd






21. Percent decrease






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






23. Number divisible by 6






24. To change a percent to a decimal






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






26. 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






27. Reducing fractions






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






29. Not identical or equivalent to






30. 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?






31. Multiplying fractions






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






33. A number with more than two factors






34. Answer to a multiplication problem






35. 1/5 + 1/4=4/20 +5/20 and 20 is the...






36. 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.






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






38. The smallest number in a group of numbers






39. To make a percent






40. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2






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






42. 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?






43. Dividing fractions






44. A value that does not change; any number






45. Absolute value of number






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






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






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






49. Comparing positive fractions






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