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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. Probability






2. 1/5 + 1/4=4/20 +5/20 and 20 is the...






3. Reciprocal of number






4. 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)=






5. To place a fraction in lowest terms






6. Answer to a multiplication problem






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






8. A shortcut for writing repeated multiplication






9. Number divisible by 4






10. Simplifying complex fractions: two methods






11. The largest number in a group of numbers






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






13. Number divisible by 6






14. How much a number is worth






15. The answer to a multiplication problem






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






17. Adding/subtracting decimals






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






19. odd + odd






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






21. Median






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






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






24. A letter that represents a value that may change






25. Not identical or equivalent to






26. 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?






27. An equation showing 2 ratios are equal






28. 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)






29. Absolute value of number






30. Answer to a division problem






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






32. Percent x whole






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






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






35. Percent increase






36. 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?






37. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






38. 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.






39. To drop a percent






40. New whole






41. Number divisible by 2






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






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






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






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






46. Adding/subtracting fractions






47. A number with more than two factors






48. Multiplying fractions






49. 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)






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