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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. 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






2. Percent decrease






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






4. 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)






5. The smallest number in a group of numbers






6. A value that does not change; any number






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






8. 1/5 + 1/4=4/20 +5/20 and 20 is the...






9. Mode






10. Adding/subtracting decimals






11. Simplifying complex fractions: two methods






12. Be identical or equivalent to






13. Average A per B






14. Properties of numbers btw -1 and 1


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






16. 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






17. Number divisible by 9






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






19. Number divisible by 3






20. Reducing fractions






21. Number divisible by 6






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






23. Answer to a division problem






24. Adding/subtracting fractions






25. Median






26. Multiple-event probability






27. To drop a percent






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






29. The answer to a subtraction problem






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






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






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






34. To place a fraction in lowest terms






35. 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






36. odd + even






37. Average value






38. Percent increase






39. A number with more than two factors






40. Dividing fractions






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






42. Comparing positive fractions






43. How much a number is worth






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






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






46. Relationship in which a number is smaller than another






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






48. A fraction out of 100 - %






49. Dividing decimals






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