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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. Reciprocal of number






2. Percent decrease






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






4. The answer to a subtraction problem






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






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






7. Percent increase






8. 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






9. To find the answer for; solve






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






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






12. 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.






13. Multiplying fractions






14. A number with more than two factors






15. 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?






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






17. Average A per B






18. How much a number is worth






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






20. Standard deviation: greater if...






21. Number divisible by 6






22. To make a percent






23. Probability






24. Properties of 1 and -1

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






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






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






28. Multiplying decimals






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






30. Answer to a division problem






31. Number divisible by 5






32. To change a percent to a decimal






33. Number divisible by 2






34. Reducing fractions






35. 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






36. Multiple-event probability






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






38. Median






39. odd + even






40. Natural Numbers - Whole Numbers - Integers - Rational Numbers






41. An equation showing 2 ratios are equal






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






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






44. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2






45. Mode






46. Number divisible by 4






47. Dividing decimals






48. Simplifying complex fractions: two methods






49. Average value






50. 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)