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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. 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)






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






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






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






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






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






7. Properties of 0

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8. The answer to an addition problem






9. Absolute value of number






10. Properties of 1 and -1

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11. Percent decrease






12. A number with more than two factors






13. Number divisible by 6






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






15. Properties of numbers btw -1 and 1

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16. A fraction out of 100 - %






17. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?






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






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






20. 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)=






21. Simplifying complex fractions: two methods






22. A letter that represents a value that may change






23. Adding/subtracting fractions






24. Dividing fractions






25. Reciprocal of number






26. 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?






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






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






29. Number divisible by 4






30. Probability






31. Number divisible by 2






32. A fraction whose numerator is greater than its denominator






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






34. 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)






35. 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.






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






37. Reducing fractions






38. Standard deviation: greater if...






39. New whole






40. The largest number in a group of numbers






41. 8x8=64 What is 64?






42. Dividing decimals






43. Comparing positive fractions






44. Be identical or equivalent to






45. A number that is multiplied by another number to find a producr






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






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






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






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






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