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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. Answer to a division problem






2. To find a number that is close to an exact answer - E.g. 23+24 is around 50






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






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






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






7. Properties of 1 and -1

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






9. 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.






10. Be identical or equivalent to






11. 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?






12. Answer to a multiplication problem






13. New whole






14. Comparing decimal fractions






15. Properties of 0

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16. 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)






17. Probability






18. Standard deviation: greater if...






19. The answer to a subtraction problem






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






21. To drop a percent






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






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






24. Properties of numbers btw -1 and 1

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25. 1/5 + 1/4=4/20 +5/20 and 20 is the...






26. How much a number is worth






27. Dividing decimals






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






29. Number divisible by 2






30. Number divisible by 3






31. A letter that represents a value that may change






32. 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






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






34. To find the answer for; solve






35. In 4x4=16 - what is 4?






36. The answer to a multiplication problem






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






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






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






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






41. To change a percent to a decimal






42. Multiple-event probability






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






44. 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?






45. Adding/subtracting fractions






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






47. Comparing positive fractions






48. Number divisible by 6






49. odd + odd






50. Adding/subtracting decimals