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






3. Properties of 1 and -1

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






5. Average A per B






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






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






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






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






10. 8x8=64 What is 64?






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






12. Comparing positive fractions






13. The largest number in a group of numbers






14. Dividing decimals






15. An equation showing 2 ratios are equal






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






17. 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.






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






19. To find the answer for; solve






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






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






22. A value that does not change; any number






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






24. 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






25. To drop a percent






26. Answer to a division problem






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






28. Percent increase






29. A number with more than two factors






30. The answer to a multiplication problem






31. Standard deviation: greater if...






32. Be identical or equivalent to






33. 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






34. Multiple-event probability






35. A set of operators - numbers - variables and grouping symbols; no equal sign






36. The smallest number in a group of numbers






37. odd + even






38. 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)






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






40. A letter that represents a value that may change






41. Adding/subtracting fractions






42. Number divisible by 9






43. Properties of 0

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44. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=






45. Multiplying fractions






46. Number divisible by 3






47. Average value






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






49. To change a percent to a decimal






50. To place a fraction in lowest terms