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






2. To make a percent






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






4. Multiple-event probability






5. Number divisible by 3






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






7. Properties of 1 and -1

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8. 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






9. Comparing positive fractions






10. Number divisible by 9






11. Reducing fractions






12. A shortcut for writing repeated multiplication






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






14. The smallest number in a group of numbers






15. Number divisible by 5






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






17. Reciprocal of number






18. Answer to a division problem






19. Percent decrease






20. Simplifying complex fractions: two methods






21. Percent x whole






22. Absolute value of number






23. 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)






24. Dividing fractions






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






26. Number divisible by 4






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






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






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






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






31. Relationship in which a number is smaller than another






32. To place a fraction in lowest terms






33. Percent increase






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






35. Answer to a multiplication problem






36. Probability






37. Standard deviation: greater if...






38. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5






39. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






41. Be identical or equivalent to






42. Adding/subtracting fractions






43. A number with more than two factors






44. The answer to a multiplication problem






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






46. odd + odd






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






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






49. 8x8=64 What is 64?






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