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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. Answer to a multiplication problem






2. Multiple-event probability






3. 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.






4. 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






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






6. 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)






7. Natural Numbers - Whole Numbers - Integers - Rational Numbers






8. The answer to an addition problem






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






10. odd + even






11. Number divisible by 4






12. Comparing positive fractions






13. Reciprocal of number






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






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






16. 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)=






17. Percent increase






18. odd + odd






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






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






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






22. Number divisible by 2






23. Percent x whole






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






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






26. Percent decrease






27. Number divisible by 6






28. Multiplying decimals






29. Average value






30. Probability






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






32. Mode






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






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






35. A value that does not change; any number






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






37. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi






38. Absolute value of number






39. Number divisible by 3






40. A number with more than two factors






41. To drop a percent






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






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






44. Standard deviation: greater if...






45. The answer to a subtraction problem






46. Average A per B






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






48. To place a fraction in lowest terms






49. Multiplying fractions






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