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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. odd + odd






2. Number divisible by 2






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






4. 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)






5. 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.






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






7. 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?






8. Number divisible by 5






9. The answer to an addition problem






10. Multiplying decimals






11. 1/5 + 1/4=4/20 +5/20 and 20 is the...






12. Answer to a multiplication problem






13. Answer to a division problem






14. To change a percent to a decimal






15. Simplifying complex fractions: two methods






16. To place a fraction in lowest terms






17. Properties of 0

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






19. The answer to a multiplication problem






20. A letter that represents a value that may change






21. 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)=






22. Properties of 1 and -1

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






24. Relationship in which a number is smaller than another






25. A value that does not change; any number






26. Comparing decimal fractions






27. The answer to a subtraction problem






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






29. Mode






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






31. Number divisible by 9






32. Properties of numbers btw -1 and 1

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33. odd + even






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






35. 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






36. To find the answer for; solve






37. 8x8=64 What is 64?






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






39. Adding/subtracting decimals






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






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






42. 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






43. How much a number is worth






44. Dividing decimals






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






46. Be identical or equivalent to






47. Median






48. Number divisible by 6






49. Percent increase






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






Can you answer 50 questions in 15 minutes?



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