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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. A number that results from multiplying a factor by itself






2. 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






3. 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.






4. Number divisible by 4






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






6. 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)






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






8. Number divisible by 2






9. Dividing fractions






10. Dividing decimals






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






12. The answer to a subtraction problem






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






14. To change a percent to a decimal






15. Number divisible by 6






16. The smallest number in a group of numbers






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






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






19. Percent x whole






20. To drop a percent






21. Multiplying decimals






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






23. Comparing positive fractions






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






25. A fraction whose numerator is greater than its denominator






26. Multiplying fractions






27. A number with more than two factors






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






29. To make a percent






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






31. The answer to an addition problem






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






33. Adding/subtracting decimals






34. Answer to a multiplication problem






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






36. Median






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






38. The answer to a multiplication problem






39. 1/5 + 1/4=4/20 +5/20 and 20 is the...






40. Properties of numbers btw -1 and 1

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41. Standard deviation: greater if...






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






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






44. 8x8=64 What is 64?






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






46. A shortcut for writing repeated multiplication






47. Simplifying complex fractions: two methods






48. New whole






49. Reducing fractions






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