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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. The smallest number in a group of numbers






2. To place a fraction in lowest terms






3. New whole






4. Multiplying fractions






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






6. The expression of a number as a product of prime factors; use a factor tree!






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






8. 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.






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






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






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






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






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






14. Percent x whole






15. Number divisible by 2






16. Answer to a multiplication problem






17. Absolute value of number






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






19. Properties of 0

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20. Simplifying complex fractions: two methods






21. Number divisible by 4






22. Average A per B






23. Adding/subtracting fractions






24. Dividing decimals






25. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)






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






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






28. 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






29. Properties of numbers btw -1 and 1

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30. A number with more than two factors






31. 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)






32. Mode






33. The largest number in a group of numbers






34. How much a number is worth






35. A value that does not change; any number






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






37. Adding/subtracting decimals






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






39. odd + even






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






41. Properties of 1 and -1

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42. A fraction whose numerator is greater than its denominator






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






44. Comparing decimal fractions






45. 1/5 + 1/4=4/20 +5/20 and 20 is the...






46. 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?






47. 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






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






49. Dividing fractions






50. The answer to a multiplication problem