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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. odd + odd






2. 1/5 + 1/4=4/20 +5/20 and 20 is the...






3. Adding/subtracting decimals






4. Adding/subtracting fractions






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






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






7. New whole






8. Percent x whole






9. Number divisible by 9






10. To place a fraction in lowest terms






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






12. An equation showing 2 ratios are equal






13. Number divisible by 2






14. Answer to a multiplication problem






15. Number divisible by 6






16. The answer to a subtraction problem






17. To find the answer for; solve






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






19. Probability






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






21. 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)






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






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






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






25. Be identical or equivalent to






26. 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






27. Standard deviation: greater if...






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






29. 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






30. A number with more than two factors






31. To change a percent to a decimal






32. A shortcut for writing repeated multiplication






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






34. A fraction whose numerator is greater than its denominator






35. The answer to an addition problem






36. A letter that represents a value that may change






37. Average A per B






38. The answer to a multiplication problem






39. A number that is multiplied by another number to find a producr






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






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






42. Simplifying complex fractions: two methods






43. Comparing decimal fractions






44. Percent decrease






45. Absolute value of number






46. To drop a percent






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






48. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.






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






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