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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 letter that represents a value that may change






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






3. Standard deviation: greater if...






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






5. Multiplying fractions






6. 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?






7. 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)






8. Number divisible by 2






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






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






11. To find the answer for; solve






12. Simplifying complex fractions: two methods






13. Mode






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






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






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






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






19. Average value






20. Properties of 1 and -1

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






22. Percent increase






23. Absolute value of number






24. 1/5 + 1/4=4/20 +5/20 and 20 is the...






25. Number divisible by 5






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






27. Be identical or equivalent to






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






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






30. Properties of numbers btw -1 and 1

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31. 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?






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






33. A fraction whose numerator is greater than its denominator






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






35. Comparing decimal fractions






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






37. Reciprocal of number






38. Multiplying decimals






39. An equation showing 2 ratios are equal






40. The answer to a multiplication problem






41. Percent x whole






42. Average A per B






43. A value that does not change; any number






44. Number divisible by 4






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






46. To place a fraction in lowest terms






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






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






49. Adding/subtracting fractions






50. To change a percent to a decimal