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






2. Adding/subtracting decimals






3. Comparing decimal fractions






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






5. 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)






6. To change a percent to a decimal






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






8. A fraction out of 100 - %






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






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






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






12. Probability






13. A fraction whose numerator is greater than its denominator






14. A shortcut for writing repeated multiplication






15. Relationship in which a number is smaller than another






16. Number divisible by 6






17. Natural Numbers - Whole Numbers - Integers - Rational Numbers






18. Number divisible by 5






19. Reciprocal of number






20. An equation showing 2 ratios are equal






21. Percent decrease






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






23. Number divisible by 4






24. Be identical or equivalent to






25. Number divisible by 9






26. Number divisible by 3






27. A value that does not change; any number






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






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






30. Median






31. Properties of 0


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






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






34. The expression of a number as a product of prime factors; use a factor tree!






35. Multiple-event probability






36. 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






37. Simplifying complex fractions: two methods






38. To place a fraction in lowest terms






39. 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






40. Number divisible by 2






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






42. 8x8=64 What is 64?






43. Dividing fractions






44. odd + odd






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






46. How much a number is worth






47. A letter that represents a value that may change






48. 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?






49. Not identical or equivalent to






50. To drop a percent