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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. Adding/subtracting fractions






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






3. A letter that represents a value that may change






4. Natural Numbers - Whole Numbers - Integers - Rational Numbers






5. Be identical or equivalent to






6. Percent increase






7. Multiplying decimals






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






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






10. 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)






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






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






13. 8x8=64 What is 64?






14. Number divisible by 2






15. Multiple-event probability






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






17. The answer to an addition problem






18. Answer to a division problem






19. Multiplying fractions






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






21. 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)






22. Absolute value of number






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






24. 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.






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






26. A value that does not change; any number






27. A fraction whose numerator is greater than its denominator






28. Number divisible by 6






29. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.






30. Reducing fractions






31. Mode






32. Average A per B






33. The answer to a multiplication problem






34. An equation showing 2 ratios are equal






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






36. To find the answer for; solve






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






38. Not identical or equivalent to






39. To drop a percent






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






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






42. odd + odd






43. Dividing decimals






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






45. To place a fraction in lowest terms






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






47. Probability






48. A number made up of a whole number and a fraction






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. Properties of 1 and -1

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