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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. 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.






2. Properties of numbers btw -1 and 1

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






4. To drop a percent






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






6. 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






7. Relationship in which a number is smaller than another






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






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






10. Average A per B






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






12. odd + odd






13. 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






14. Number divisible by 6






15. Answer to a division problem






16. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=






17. Simplifying complex fractions: two methods






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






19. Be identical or equivalent to






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






21. Number divisible by 4






22. To find the answer for; solve






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






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






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






26. An equation showing 2 ratios are equal






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






28. A fraction whose numerator is greater than its denominator






29. Mode






30. Adding/subtracting decimals






31. 8x8=64 What is 64?






32. A value that does not change; any number






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






34. Average value






35. Not identical or equivalent to






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






37. Percent x whole






38. Number divisible by 5






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






40. 1/5 + 1/4=4/20 +5/20 and 20 is the...






41. Absolute value of number






42. Median






43. The largest number in a group of numbers






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






45. Dividing fractions






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






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






48. To change a percent to a decimal






49. Multiple-event probability






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







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Can you answer 50 questions in 15 minutes?


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