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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. Median






3. 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






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






5. The answer to a multiplication problem






6. Number divisible by 3






7. Dividing decimals






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






9. Not identical or equivalent to






10. Probability






11. Reciprocal of number






12. Percent decrease






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






14. Reducing fractions






15. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers






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






17. A fraction out of 100 - %






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






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






20. 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)






21. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...






22. Absolute value of number






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






24. To perform a calculation - E.g. 2+2=4






25. Number divisible by 5






26. New whole






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






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






29. Standard deviation: greater if...






30. The greatest whole number that is a factor of two or more nonzero whole numbers






31. The answer to a subtraction problem






32. Number divisible by 4






33. The smallest number in a group of numbers






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






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






36. A letter that represents a value that may change






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






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






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






40. Number divisible by 6






41. 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?






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






43. 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)=






44. Number divisible by 2






45. An equation showing 2 ratios are equal






46. Multiplying decimals






47. Multiple-event probability






48. Simplifying complex fractions: two methods






49. To drop a percent






50. Dividing fractions