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






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






3. Reciprocal of number






4. Properties of 0

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5. How much a number is worth






6. Comparing decimal fractions






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






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






9. 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)






10. 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)=






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






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






13. Percent increase






14. 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)






15. Number divisible by 4






16. An equation showing 2 ratios are equal






17. Relationship in which a number is smaller than another






18. The largest number in a group of numbers






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






20. A shortcut for writing repeated multiplication






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






22. 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?






23. Percent x whole






24. Answer to a multiplication problem






25. A value that does not change; any number






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






27. 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






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






29. Average value






30. Standard deviation: greater if...






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






32. 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






33. Properties of numbers btw -1 and 1

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34. The answer to a subtraction problem






35. Multiple-event probability






36. 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?






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






38. Multiplying decimals






39. To change a percent to a decimal






40. New whole






41. To find the answer for; solve






42. odd + even






43. Multiplying fractions






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






45. Simplifying complex fractions: two methods






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






47. Number divisible by 6






48. 1/5 + 1/4=4/20 +5/20 and 20 is the...






49. The smallest number in a group of numbers






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