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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. Comparing positive fractions






2. 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






3. A shortcut for writing repeated multiplication






4. Percent increase






5. Relationship in which a number is smaller than another






6. Probability






7. Adding/subtracting fractions






8. 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.






9. A fraction whose numerator is greater than its denominator






10. 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)






11. 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)






12. Natural Numbers - Whole Numbers - Integers - Rational Numbers






13. Average A per B






14. How much a number is worth






15. Properties of 0

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16. 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)=






17. Reducing fractions






18. The smallest number in a group of numbers






19. Answer to a multiplication problem






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






21. Dividing fractions






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






23. odd + even






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






25. 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






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






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






28. Dividing decimals






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






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






31. 1/5 + 1/4=4/20 +5/20 and 20 is the...






32. Be identical or equivalent to






33. Comparing decimal fractions






34. To change a percent to a decimal






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






36. Absolute value of number






37. Number divisible by 5






38. odd + odd






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






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






41. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5






42. Mode






43. Percent x whole






44. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6






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






46. Reciprocal of number






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






48. A letter that represents a value that may change






49. Simplifying complex fractions: two methods






50. A value that does not change; any number







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Can you answer 50 questions in 15 minutes?


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