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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. To find the answer for; solve






3. Adding/subtracting decimals






4. A number with more than two factors






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






6. The answer to a subtraction problem






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






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






9. 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.






10. Relationship in which a number is smaller than another






11. To drop a percent






12. Percent x whole






13. New whole






14. Percent increase






15. Comparing decimal fractions






16. Median






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






18. Number divisible by 2






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






20. Comparing positive fractions






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






22. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






23. Reducing fractions






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






25. 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?






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






27. To place a fraction in lowest terms






28. Number divisible by 9






29. To change a percent to a decimal






30. Percent decrease






31. A value that does not change; any number






32. Be identical or equivalent to






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






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






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






36. An equation showing 2 ratios are equal






37. Reciprocal of number






38. The smallest number in a group of numbers






39. To make a percent






40. 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






41. Properties of numbers btw -1 and 1

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42. Properties of 1 and -1

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43. 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






44. Multiple-event probability






45. Dividing fractions






46. Multiplying fractions






47. Number divisible by 5






48. 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)






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






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






Can you answer 50 questions in 15 minutes?



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