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






2. 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






3. Number divisible by 5






4. 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.






5. Simplifying complex fractions: two methods






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






7. Reducing fractions






8. An equation showing 2 ratios are equal






9. 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)=






10. A fraction whose numerator is greater than its denominator






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






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






13. odd + even






14. odd + odd






15. Multiplying decimals






16. Two expressions that are set equal to each other; a number sentence with an equal sign






17. Dividing fractions






18. Properties of numbers btw -1 and 1

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19. Relationship in which a number is smaller than another






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






21. New whole






22. The answer to an addition problem






23. The answer to a subtraction problem






24. 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)






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






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






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






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






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






30. Properties of 1 and -1

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31. Multiple-event probability






32. Median






33. A fraction out of 100 - %






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






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






36. To change a percent to a decimal






37. A number with more than two factors






38. When a number is larger than the other number. Example 65 > 56






39. 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?






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






41. Number divisible by 3






42. To find the answer for; solve






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






44. 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?






45. The smallest number in a group of numbers






46. Percent increase






47. How much a number is worth






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






49. Rational numbers in decimal form that have a block of on or more digits that repeat continuously






50. Natural Numbers - Whole Numbers - Integers - Rational Numbers