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






2. A value that does not change; any number






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






4. 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?






5. Answer to a multiplication problem






6. Not identical or equivalent to






7. Properties of 1 and -1

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






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






10. A fraction out of 100 - %






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






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






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. Properties of 0

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15. A fraction whose numerator is greater than its denominator






16. To drop a percent






17. Average value






18. Adding/subtracting fractions






19. Dividing decimals






20. Percent x whole






21. The smallest number in a group of numbers






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. To change a percent to a decimal






24. Percent decrease






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






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






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






28. Probability






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






30. 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






31. A letter that represents a value that may change






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






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






34. 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)=






35. odd + odd






36. Properties of numbers btw -1 and 1

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






38. Be identical or equivalent to






39. The answer to an addition problem






40. Reducing fractions






41. 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)






42. Natural Numbers - Whole Numbers - Integers - Rational Numbers






43. 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






44. The largest number in a group of numbers






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






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






47. Answer to a division problem






48. To make a percent






49. odd + even






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