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






2. Percent x whole






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






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






5. A number with more than two factors






6. Adding/subtracting fractions






7. Percent increase






8. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






9. Relationship in which a number is smaller than another






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






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






12. Answer to a multiplication problem






13. A letter that represents a value that may change






14. Average A per B






15. Answer to a division problem






16. A value that does not change; any number






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






18. The largest number in a group of numbers






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






20. Dividing fractions






21. Percent decrease






22. 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






23. Properties of 0

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24. Be identical or equivalent to






25. To make a percent






26. Properties of 1 and -1

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27. How much a number is worth






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






29. Simplifying complex fractions: two methods






30. Number divisible by 3






31. Number divisible by 4






32. A fraction whose numerator is greater than its denominator






33. 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.






34. Multiplying decimals






35. To find the answer for; solve






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






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






38. Number divisible by 2






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






40. 8x8=64 What is 64?






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






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






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






44. Mode






45. Median






46. A shortcut for writing repeated multiplication






47. Reciprocal of number






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






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






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)=