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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. Standard deviation: greater if...






2. 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






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






4. The answer to a subtraction problem






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






6. Not identical or equivalent to






7. 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)






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






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






10. 8x8=64 What is 64?






11. 1/5 + 1/4=4/20 +5/20 and 20 is the...






12. Multiplying decimals






13. To find the answer for; solve






14. Number divisible by 9






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






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






17. Percent x whole






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






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






20. Mode






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






22. To make a percent






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






24. Answer to a division problem






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






26. A fraction whose numerator is greater than its denominator






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






28. Average value






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






30. Adding/subtracting decimals






31. New whole






32. Relationship in which a number is smaller than another






33. Dividing fractions






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






35. A letter that represents a value that may change






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






37. To change a percent to a decimal






38. Number divisible by 2






39. The largest number in a group of numbers






40. A shortcut for writing repeated multiplication






41. Percent increase






42. Reducing fractions






43. Absolute value of number






44. Comparing decimal fractions






45. A value that does not change; any number






46. 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?






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






48. The answer to a multiplication problem






49. Multiple-event probability






50. Percent decrease