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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. Dividing fractions






2. 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)






3. Number divisible by 3






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






5. To change a percent to a decimal






6. A fraction whose numerator is greater than its denominator






7. Simplifying complex fractions: two methods






8. Adding/subtracting decimals






9. Multiple-event probability






10. Multiplying decimals






11. Average A per B






12. 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






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






14. odd + odd






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






16. The answer to a subtraction problem






17. To drop a percent






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






19. Number divisible by 5






20. Natural Numbers - Whole Numbers - Integers - Rational Numbers






21. An equation showing 2 ratios are equal






22. To make a percent






23. Standard deviation: greater if...






24. Comparing positive fractions






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






26. Percent increase






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






28. The smallest number in a group of numbers






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






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






31. Dividing decimals






32. Number divisible by 9






33. Mode






34. The largest number in a group of numbers






35. The answer to an addition problem






36. A value that does not change; any number






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






38. Percent decrease






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






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






41. How much a number is worth






42. Properties of numbers btw -1 and 1

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43. Median






44. A number with more than two factors






45. 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)






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






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






48. odd + even






49. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






50. Answer to a division problem