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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. Number divisible by 9






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






3. Simplifying complex fractions: two methods






4. The answer to a subtraction problem






5. 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.






6. Percent increase






7. New whole






8. odd + odd






9. 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)






10. Probability






11. 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)=






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






13. Mode






14. How much a number is worth






15. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2






16. Number divisible by 2






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






18. Answer to a multiplication problem






19. The smallest number in a group of numbers






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






21. odd + even






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






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






24. 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)






25. Answer to a division problem






26. A letter that represents a value that may change






27. 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






28. To place a fraction in lowest terms






29. Relationship in which a number is smaller than another






30. 8x8=64 What is 64?






31. Adding/subtracting fractions






32. Multiplying fractions






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






34. Percent x whole






35. The largest number in a group of numbers






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






37. Reducing fractions






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






39. To drop a percent






40. Properties of 0

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41. A fraction whose numerator is greater than its denominator






42. Absolute value of number






43. To find the answer for; solve






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






45. A shortcut for writing repeated multiplication






46. Percent decrease






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






48. Number divisible by 3






49. To change a percent to a decimal






50. Number divisible by 6