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






2. Dividing decimals






3. 8x8=64 What is 64?






4. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...






5. Number divisible by 9






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






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






8. Not identical or equivalent to






9. Number divisible by 4






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






11. Reciprocal of number






12. Properties of 1 and -1

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






14. A fraction whose numerator is greater than its denominator






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






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






17. Adding/subtracting fractions






18. odd + odd






19. 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.






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






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






22. Answer to a division problem






23. Standard deviation: greater if...






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






25. Mode






26. Properties of numbers btw -1 and 1

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27. 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






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






29. To place a fraction in lowest terms






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






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






32. The smallest number in a group of numbers






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






34. Median






35. To perform a calculation - E.g. 2+2=4






36. Average value






37. Be identical or equivalent to






38. Absolute value of number






39. Number divisible by 5






40. Comparing positive fractions






41. Answer to a multiplication problem






42. Multiplying fractions






43. Multiple-event probability






44. Relationship in which a number is smaller than another






45. The answer to an addition problem






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






47. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






49. A letter that represents a value that may change






50. A fraction out of 100 - %