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






2. To find the answer for; solve






3. Comparing positive fractions






4. 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






5. To place a fraction in lowest terms






6. Multiple-event probability






7. Answer to a division problem






8. Number divisible by 4






9. 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)






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






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






12. 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)






13. Percent decrease






14. Absolute value of number






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






16. To drop a percent






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






18. 1/5 + 1/4=4/20 +5/20 and 20 is the...






19. Multiplying decimals






20. Adding/subtracting decimals






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






22. A shortcut for writing repeated multiplication






23. Number divisible by 9






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






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






26. Median






27. Comparing decimal fractions






28. The answer to a subtraction problem






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






30. Mode






31. Probability






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






33. Adding/subtracting fractions






34. 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






35. Dividing decimals






36. The answer to an addition problem






37. An equation showing 2 ratios are equal






38. 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?






39. To change a percent to a decimal






40. Not identical or equivalent to






41. The answer to a multiplication problem






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






43. Average A per B






44. Number divisible by 6






45. A letter that represents a value that may change






46. How much a number is worth






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






48. Percent x whole






49. The largest number in a group of numbers






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