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






2. 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?






3. Relationship in which a number is smaller than another






4. 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






5. Number divisible by 2






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






7. New whole






8. A shortcut for writing repeated multiplication






9. Probability






10. How much a number is worth






11. odd + even






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






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






14. Multiple-event probability






15. Median






16. 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?






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






18. Percent increase






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






20. Comparing decimal fractions






21. To drop a percent






22. To make a percent






23. 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






24. An equation showing 2 ratios are equal






25. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






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






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






29. Multiplying decimals






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






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






32. Reciprocal of number






33. 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)






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






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






36. 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)






37. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






39. Answer to a division problem






40. To change a percent to a decimal






41. Number divisible by 5






42. Absolute value of number






43. 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.






44. Dividing fractions






45. Be identical or equivalent to






46. A fraction whose numerator is greater than its denominator






47. Average value






48. Number divisible by 3






49. A number with more than two factors






50. 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)=







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Can you answer 50 questions in 15 minutes?


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