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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. A number with more than two factors






2. To drop a percent






3. Dividing decimals






4. Reducing fractions






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






6. Average value






7. 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






8. 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?






9. 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






10. Multiple-event probability






11. An equation showing 2 ratios are equal






12. Multiplying decimals






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






14. Answer to a division problem






15. Not identical or equivalent to






16. odd + odd






17. Be identical or equivalent to






18. Comparing decimal fractions






19. 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?






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






21. A letter that represents a value that may change






22. Dividing fractions






23. To make a percent






24. Two factors together that are multiplied to equal a larger number.






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






26. To find the answer for; solve






27. A value that does not change; any number






28. Percent increase






29. 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)=






30. The largest number in a group of numbers






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






32. Mode






33. 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.






34. Properties of 1 and -1

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35. Number divisible by 4






36. Multiplying fractions






37. odd + even






38. Number divisible by 3






39. Percent x whole






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






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






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






43. Number divisible by 6






44. Adding/subtracting decimals






45. Number divisible by 5






46. 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






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






48. To change a percent to a decimal






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






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