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






2. Percent x whole






3. Simplifying complex fractions: two methods






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






5. Average A per B






6. Adding/subtracting decimals






7. Multiple-event probability






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






9. New whole






10. 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.






11. 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?






12. Dividing decimals






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






14. How much a number is worth






15. To drop a percent






16. odd + odd






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






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






19. An equation showing 2 ratios are equal






20. The largest number in a group of numbers






21. Number divisible by 4






22. 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






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






24. The answer to a multiplication problem






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






26. Median






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






28. Properties of 1 and -1

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29. 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






30. 1/5 + 1/4=4/20 +5/20 and 20 is the...






31. A shortcut for writing repeated multiplication






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






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






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






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






36. A number with more than two factors






37. Properties of 0

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38. Answer to a division problem






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






40. 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)






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






42. The answer to an addition problem






43. 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)=






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






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






46. A fraction out of 100 - %






47. 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)






48. Relationship in which a number is smaller than another






49. Percent decrease






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