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






2. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)






3. Number divisible by 6






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






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






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






7. How much a number is worth






8. New whole






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






10. Dividing decimals






11. The smallest number in a group of numbers






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






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






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






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






16. A shortcut for writing repeated multiplication






17. Percent x whole






18. Average A per B






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






20. The answer to an addition problem






21. Multiple-event probability






22. Not identical or equivalent to






23. 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)=






24. Natural Numbers - Whole Numbers - Integers - Rational Numbers






25. To make a percent






26. 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?






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






28. A number with more than two factors






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






30. Adding/subtracting decimals






31. Mode






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






33. Dividing fractions






34. A letter that represents a value that may change






35. A fraction whose numerator is greater than its denominator






36. To place a fraction in lowest terms






37. 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)






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






39. Median






40. Number divisible by 4






41. 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






42. Standard deviation: greater if...






43. Average value






44. Number divisible by 5






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






46. Percent increase






47. To change a percent to a decimal






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






49. Relationship in which a number is smaller than another






50. Adding/subtracting fractions