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






2. 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






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






4. Relationship in which a number is smaller than another






5. Mode






6. New whole






7. Probability






8. To drop a percent






9. Not identical or equivalent to






10. A shortcut for writing repeated multiplication






11. 1/5 + 1/4=4/20 +5/20 and 20 is the...






12. Number divisible by 9






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






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






15. A set of operators - numbers - variables and grouping symbols; no equal sign






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






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






18. Percent x whole






19. To place a fraction in lowest terms






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






21. Percent increase






22. Multiple-event probability






23. Simplifying complex fractions: two methods






24. The largest number in a group of numbers






25. 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)






26. A letter that represents a value that may change






27. Adding/subtracting decimals






28. Median






29. odd + even






30. 8x8=64 What is 64?






31. The smallest number in a group of numbers






32. How much a number is worth






33. Comparing decimal fractions






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






35. Number divisible by 3






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






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






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






39. Properties of 0

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40. Multiplying decimals






41. 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






42. Number divisible by 4






43. Multiplying fractions






44. Comparing positive fractions






45. To change a percent to a decimal






46. Be identical or equivalent to






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






48. Standard deviation: greater if...






49. 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






50. A fraction out of 100 - %