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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. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)






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






3. Absolute value of number






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






5. To make a percent






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






7. Number divisible by 3






8. A value that does not change; any number






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






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






11. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300






12. The smallest number in a group of numbers






13. Number divisible by 6






14. Multiple-event probability






15. Average A per B






16. Dividing decimals






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






18. Comparing decimal fractions






19. Relationship in which a number is smaller than another






20. 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)






21. 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.






22. Percent increase






23. Multiplying decimals






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






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






26. Probability






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. 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?






29. The answer to a subtraction problem






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






31. Number divisible by 2






32. 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?






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






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






35. Properties of 1 and -1






36. Adding/subtracting decimals






37. Number divisible by 4






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






39. Dividing fractions






40. Properties of numbers btw -1 and 1






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






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






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






44. Natural Numbers - Whole Numbers - Integers - Rational Numbers






45. The answer to a multiplication problem






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






47. To change a percent to a decimal






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






49. Percent decrease






50. Answer to a division problem