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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. Be identical or equivalent to






2. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






4. 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?






5. The answer to a subtraction problem






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






7. An equation showing 2 ratios are equal






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






9. A number with more than two factors






10. Answer to a division problem






11. 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)






12. Answer to a multiplication problem






13. A shortcut for writing repeated multiplication






14. Multiple-event probability






15. Simplifying complex fractions: two methods






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






17. Number divisible by 4






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






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






20. Relationship in which a number is smaller than another






21. A fraction whose numerator is greater than its denominator






22. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






24. 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.






25. Reciprocal of number






26. Mode






27. Average A per B






28. A letter that represents a value that may change






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






30. Number divisible by 5






31. Number divisible by 9






32. Reducing fractions






33. Percent decrease






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. 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






36. Percent increase






37. Dividing fractions






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






39. New whole






40. Dividing decimals






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






42. To change a percent to a decimal






43. Median






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






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






46. Percent x whole






47. Properties of 1 and -1

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48. odd + even






49. To drop a percent






50. The answer to an addition problem