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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 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?






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






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






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






5. Reducing fractions






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






7. Dividing fractions






8. The answer to a multiplication problem






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






10. Not identical or equivalent to






11. Number divisible by 9






12. Multiplying decimals






13. Multiple-event probability






14. A letter that represents a value that may change






15. Properties of 0

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16. Standard deviation: greater if...






17. Number divisible by 3






18. To place a fraction in lowest terms






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






20. An equation showing 2 ratios are equal






21. A number with more than two factors






22. To make a percent






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






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






25. 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






26. 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)






27. A fraction out of 100 - %






28. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2






29. odd + even






30. Probability






31. Reciprocal of number






32. Natural Numbers - Whole Numbers - Integers - Rational Numbers






33. Adding/subtracting decimals






34. How much a number is worth






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






36. Median






37. 8x8=64 What is 64?






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






39. Average A per B






40. Dividing decimals






41. To change a percent to a decimal






42. Comparing positive fractions






43. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






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






46. 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)






47. The answer to an addition problem






48. odd + odd






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






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







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