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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. The smallest number in a group of numbers






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






3. The largest number in a group of numbers






4. Relationship in which a number is smaller than another






5. 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)






6. Number divisible by 5






7. Average value






8. Adding/subtracting decimals






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






10. A value that does not change; any number






11. Multiplying fractions






12. Percent decrease






13. Standard deviation: greater if...






14. Reducing fractions






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






16. The answer to an addition problem






17. Comparing decimal fractions






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






19. A fraction out of 100 - %






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






21. 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?






22. Absolute value of number






23. Reciprocal of number






24. 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






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






26. A letter that represents a value that may change






27. Average A per B






28. Comparing positive fractions






29. odd + odd






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






31. 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)






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






33. New whole






34. Dividing fractions






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






36. Number divisible by 2






37. To find the answer for; solve






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






39. A number with more than two factors






40. Median






41. 1/5 + 1/4=4/20 +5/20 and 20 is the...






42. Percent increase






43. To change a percent to a decimal






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






45. Probability






46. Simplifying complex fractions: two methods






47. A shortcut for writing repeated multiplication






48. 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.






49. Dividing decimals






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