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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. Reducing fractions






2. How much a number is worth






3. To place a fraction in lowest terms






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






5. A shortcut for writing repeated multiplication






6. 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






7. Reciprocal of number






8. The answer to a multiplication problem






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






10. Number divisible by 2






11. Answer to a multiplication problem






12. 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






13. Not identical or equivalent to






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






15. Number divisible by 3






16. A value that does not change; any number






17. A number with more than two factors






18. New whole






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






20. 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.






21. Average A per B






22. A fraction out of 100 - %






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






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






25. To drop a percent






26. A fraction whose numerator is greater than its denominator






27. Number divisible by 5






28. 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)






29. Mode






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






31. odd + odd






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






33. Number divisible by 4






34. Number divisible by 6






35. 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?






36. Dividing fractions






37. Comparing decimal fractions






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






39. Absolute value of number






40. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






42. When a number is larger than the other number. Example 65 > 56






43. 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






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






45. A letter that represents a value that may change






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






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






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






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






50. To make a percent