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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 answer to a multiplication problem






2. Number divisible by 6






3. Answer to a multiplication problem






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






5. Adding/subtracting fractions






6. Median






7. 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.






8. Properties of 1 and -1


9. To drop a percent






10. Reciprocal of number






11. Adding/subtracting decimals






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






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






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






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






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






17. 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)






18. 8x8=64 What is 64?






19. A letter that represents a value that may change






20. A number with more than two factors






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






22. The answer to an addition problem






23. 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






24. Absolute value of number






25. Dividing fractions






26. A value that does not change; any number






27. Comparing decimal fractions






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






29. Multiplying fractions






30. A fraction out of 100 - %






31. Probability






32. Mode






33. To place a fraction in lowest terms






34. Properties of numbers btw -1 and 1


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






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






37. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?






38. The answer to a subtraction problem






39. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






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






42. Percent x whole






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






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






46. Multiple-event probability






47. To change a percent to a decimal






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






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






50. An equation showing 2 ratios are equal