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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. Number divisible by 4






2. Properties of 0


3. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)






4. Reciprocal of number






5. Average A per B






6. Comparing positive fractions






7. Reducing fractions






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






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






10. Percent increase






11. Natural Numbers - Whole Numbers - Integers - Rational Numbers






12. Dividing fractions






13. 8x8=64 What is 64?






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






15. How much a number is worth






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






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






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






19. A letter that represents a value that may change






20. To find the answer for; solve






21. Be identical or equivalent to






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






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






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






25. Multiple-event probability






26. A value that does not change; any number






27. Properties of 1 and -1


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






29. To drop a percent






30. To change a percent to a decimal






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






32. Standard deviation: greater if...






33. Average value






34. To make a percent






35. Multiplying decimals






36. Number divisible by 5






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






38. The answer to a multiplication problem






39. An equation showing 2 ratios are equal






40. 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






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






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






43. Probability






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






45. Answer to a division problem






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






47. A number with more than two factors






48. The answer to a subtraction problem






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






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