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






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






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






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






5. Answer to a multiplication problem






6. A fraction whose numerator is greater than its denominator






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






8. The smallest number in a group of numbers






9. 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






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






11. Percent increase






12. Properties of numbers btw -1 and 1

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






14. Multiplying fractions






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






16. 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.






17. 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)






18. Number divisible by 9






19. Number divisible by 5






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






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






22. An equation showing 2 ratios are equal






23. How much a number is worth






24. Relationship in which a number is smaller than another






25. Be identical or equivalent to






26. Not identical or equivalent to






27. Multiplying decimals






28. New whole






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






30. 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






31. Number divisible by 2






32. Number divisible by 3






33. 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






34. Answer to a division problem






35. Adding/subtracting fractions






36. 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)=






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






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






39. Probability






40. To drop a percent






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






42. 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)






43. Average A per B






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






45. Standard deviation: greater if...






46. The largest number in a group of numbers






47. Percent decrease






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






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






50. Reducing fractions