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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 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






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






3. To place a fraction in lowest terms






4. Answer to a multiplication problem






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






6. Number divisible by 6






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






8. The answer to a multiplication problem






9. Number divisible by 3






10. To make a percent






11. A fraction out of 100 - %






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






13. A number with one or more digits to the right of the decimal point - E.g. .33






14. 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






15. To drop a percent






16. Comparing positive fractions






17. Dividing decimals






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






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






20. Percent decrease






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






22. How much a number is worth






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






24. 1/5 + 1/4=4/20 +5/20 and 20 is the...






25. Multiple-event probability






26. The expression of a number as a product of prime factors; use a factor tree!






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






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






29. 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)






30. To find the answer for; solve






31. Number divisible by 5






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






33. Comparing decimal fractions






34. 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.






35. A number with more than two factors






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






37. The smallest number in a group of numbers






38. Not identical or equivalent to






39. A letter that represents a value that may change






40. Percent x whole






41. Absolute value of number






42. 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?






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






44. A value that does not change; any number






45. Answer to a division problem






46. Probability






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






48. Properties of 0

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49. 8x8=64 What is 64?






50. The answer to an addition problem