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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. Number divisible by 2






2. Comparing positive fractions






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






4. A letter that represents a value that may change






5. Relationship in which a number is smaller than another






6. Median






7. Multiple-event probability






8. Number divisible by 9






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






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






12. 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)






13. Multiplying fractions






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






15. Not identical or equivalent to






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. To place a fraction in lowest terms






18. Absolute value of number






19. 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)






20. To change a percent to a decimal






21. Probability






22. A set of operators - numbers - variables and grouping symbols; no equal sign






23. A number with more than two factors






24. Simplifying complex fractions: two methods






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






26. New whole






27. Average A per B






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






29. 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?






30. Percent increase






31. Dividing fractions






32. A fraction whose numerator is greater than its denominator






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






34. Properties of 1 and -1

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35. Reducing fractions






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






37. Properties of 0

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






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






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






41. Answer to a multiplication problem






42. Percent decrease






43. Adding/subtracting decimals






44. Adding/subtracting fractions






45. 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






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






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






48. Comparing decimal fractions






49. To make a percent






50. To find the answer for; solve