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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 answer to a subtraction problem






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






3. Mode






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






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






6. 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)=






7. 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.






8. The answer to a multiplication problem






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






10. Probability






11. Percent decrease






12. 1/5 + 1/4=4/20 +5/20 and 20 is the...






13. Natural Numbers - Whole Numbers - Integers - Rational Numbers






14. 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?






15. Answer to a multiplication problem






16. To make a percent






17. Multiplying decimals






18. Simplifying complex fractions: two methods






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






20. Number divisible by 3






21. 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)






22. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi






23. Comparing positive fractions






24. 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






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






26. 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?






27. 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)






28. Number divisible by 9






29. The largest number in a group of numbers






30. Properties of 1 and -1

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31. Number divisible by 2






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






33. Number divisible by 5






34. Percent increase






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






36. To drop a percent






37. Adding/subtracting decimals






38. Multiplying fractions






39. New whole






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






41. 8x8=64 What is 64?






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






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






44. To change a percent to a decimal






45. 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






46. A fraction out of 100 - %






47. Be identical or equivalent to






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






49. Standard deviation: greater if...






50. Average A per B