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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. Relationship in which a number is smaller than another






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






3. 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






4. Average value






5. Standard deviation: greater if...






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






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






8. A fraction out of 100 - %






9. 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






10. A fraction whose numerator is greater than its denominator






11. Simplifying complex fractions: two methods






12. A shortcut for writing repeated multiplication






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






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






15. Percent increase






16. New whole






17. To place a fraction in lowest terms






18. 8x8=64 What is 64?






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






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






21. 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)






22. Multiple-event probability






23. Be identical or equivalent to






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






25. A letter that represents a value that may change






26. Multiplying decimals






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






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






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






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






31. Median






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






33. Absolute value of number






34. Percent x whole






35. The smallest number in a group of numbers






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






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






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






39. Dividing decimals






40. 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.






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






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






43. Comparing decimal fractions






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






45. Adding/subtracting fractions






46. Answer to a division problem






47. Properties of 1 and -1

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






49. To find the answer for; solve






50. 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?