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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. How much a number is worth






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






3. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






5. Dividing decimals






6. Absolute value of number






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






8. Simplifying complex fractions: two methods






9. Number divisible by 6






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






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






12. A number with one or more digits to the right of the decimal point - E.g. .33






13. Answer to a division problem






14. Answer to a multiplication problem






15. 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.






16. 8x8=64 What is 64?






17. Properties of numbers btw -1 and 1

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






19. The largest number in a group of numbers






20. Probability






21. Properties of 0

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22. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






24. A number made up of a whole number and a fraction






25. Multiple-event probability






26. Relationship in which a number is smaller than another






27. A shortcut for writing repeated multiplication






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






29. Adding/subtracting decimals






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






31. Dividing fractions






32. Be identical or equivalent to






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






34. The answer to an addition problem






35. Number divisible by 4






36. Mode






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






38. A value that does not change; any number






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






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






41. Median






42. An equation showing 2 ratios are equal






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






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






45. 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?






46. Multiplying fractions






47. Standard deviation: greater if...






48. odd + odd






49. New whole






50. A fraction out of 100 - %