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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. Reciprocal of number






2. Adding/subtracting decimals






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






4. Percent decrease






5. Number divisible by 3






6. Average A per B






7. Multiplying decimals






8. A fraction whose numerator is greater than its denominator






9. Number divisible by 4






10. Properties of 0

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






12. Simplifying complex fractions: two methods






13. To drop a percent






14. The largest number in a group of numbers






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






16. odd + odd






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






18. 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)=






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






20. Reducing fractions






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






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






23. Absolute value of number






24. Number divisible by 5






25. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






26. To change a percent to a decimal






27. 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.






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






29. Multiplying fractions






30. New whole






31. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






33. 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)






34. 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?






35. The answer to a multiplication problem






36. Dividing decimals






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






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






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






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






41. Median






42. 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






43. 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)






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






45. 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






46. Multiple-event probability






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






48. Percent x whole






49. To find the answer for; solve






50. Properties of numbers btw -1 and 1

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