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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. Percent decrease






2. Multiple-event probability






3. Answer to a multiplication problem






4. Mode






5. Probability






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






7. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers






8. Adding/subtracting fractions






9. A value that does not change; any number






10. Multiplying fractions






11. To find the answer for; solve






12. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






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






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






16. Simplifying complex fractions: two methods






17. 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)=






18. An equation showing 2 ratios are equal






19. Multiplying decimals






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






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






22. How much a number is worth






23. 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?






24. 1/5 + 1/4=4/20 +5/20 and 20 is the...






25. Dividing decimals






26. Standard deviation: greater if...






27. Adding/subtracting decimals






28. The answer to an addition problem






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






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






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






32. To make a percent






33. 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)






34. Dividing fractions






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






36. To place a fraction in lowest terms






37. A fraction out of 100 - %






38. 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.






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






40. The answer to a subtraction problem






41. Percent x whole






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






44. A fraction whose numerator is greater than its denominator






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






46. A shortcut for writing repeated multiplication






47. Percent increase






48. Reducing fractions






49. Absolute value of number






50. To drop a percent