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






2. A comparison of 2 numbers; one form is a fraction






3. Probability






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






5. Not identical or equivalent to






6. Answer to a division problem






7. Average A per B






8. Properties of 1 and -1

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9. Adding/subtracting fractions






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






11. A letter that represents a value that may change






12. 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?






13. 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?






14. When a number is larger than the other number. Example 65 > 56






15. An equation showing 2 ratios are equal






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






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






18. Simplifying complex fractions: two methods






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






20. Comparing positive fractions






21. To find the answer for; solve






22. 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.






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






24. Dividing fractions






25. A fraction out of 100 - %






26. New whole






27. Number divisible by 2






28. Reducing fractions






29. Number divisible by 5






30. The answer to a multiplication problem






31. To make a percent






32. Standard deviation: greater if...






33. To change a percent to a decimal






34. The smallest number in a group of numbers






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






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






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






38. Multiplying decimals






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






40. odd + even






41. To place a fraction in lowest terms






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






43. Mode






44. Number divisible by 9






45. 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






46. Multiple-event probability






47. Average value






48. To drop a percent






49. Number divisible by 3






50. 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