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






2. A fraction out of 100 - %






3. To make a percent






4. Properties of 1 and -1


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






6. A value that does not change; any number






7. The answer to an addition problem






8. A number with more than two factors






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






10. 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






11. odd + even






12. Mode






13. Standard deviation: greater if...






14. Percent increase






15. Dividing decimals






16. Multiplying decimals






17. Adding/subtracting fractions






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






19. Be identical or equivalent to






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






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






22. Adding/subtracting decimals






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






24. Number divisible by 9






25. To change a percent to a decimal






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






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






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






29. 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?






30. 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)






31. Multiple-event probability






32. Absolute value of number






33. The largest number in a group of numbers






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






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






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






37. Dividing fractions






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






39. Reciprocal of number






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






41. An equation showing 2 ratios are equal






42. Simplifying complex fractions: two methods






43. Percent decrease






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






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






46. To drop a percent






47. The smallest number in a group of numbers






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






49. Average A per B






50. To find the answer for; solve