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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. To drop a percent






2. Percent x whole






3. 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?






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






5. Adding/subtracting decimals






6. Dividing decimals






7. Not identical or equivalent to






8. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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. The answer to a multiplication problem






11. Probability






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






13. A fraction out of 100 - %






14. odd + even






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






16. 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






17. To make a percent






18. Number divisible by 9






19. Average A per B






20. A number with more than two factors






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






22. 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






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






24. Mode






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






26. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?






27. 8x8=64 What is 64?






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






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






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






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






32. A letter that represents a value that may change






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






34. Absolute value of number






35. The largest number in a group of numbers






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






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






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






39. Properties of numbers btw -1 and 1

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40. To place a fraction in lowest terms






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






42. The answer to an addition problem






43. An equation showing 2 ratios are equal






44. Comparing positive fractions






45. Dividing fractions






46. Standard deviation: greater if...






47. Multiplying fractions






48. Properties of 1 and -1

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49. Properties of 0

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50. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)







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