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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. A value that does not change; any number






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






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






4. 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)






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






6. A letter that represents a value that may change






7. Properties of 0

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8. Properties of numbers btw -1 and 1

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






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






11. Relationship in which a number is smaller than another






12. Number divisible by 3






13. Number divisible by 2






14. Median






15. The answer to a multiplication problem






16. Dividing fractions






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






18. Number divisible by 4






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






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






21. 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






22. 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






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






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






25. Answer to a multiplication problem






26. 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)=






27. Standard deviation: greater if...






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






29. Comparing decimal fractions






30. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






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






33. 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)






34. A shortcut for writing repeated multiplication






35. Be identical or equivalent to






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






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






38. Dividing decimals






39. Simplifying complex fractions: two methods






40. The smallest number in a group of numbers






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






42. Absolute value of number






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






44. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...






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






46. Number divisible by 6






47. odd + odd






48. The answer to a subtraction problem






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






50. Probability