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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. Multiplying decimals






2. Reciprocal of number






3. The answer to a subtraction problem






4. Properties of 0

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






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






7. New whole






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






9. A value that does not change; any number






10. To change a percent to a decimal






11. Not identical or equivalent to






12. Mode






13. Multiplying fractions






14. Average value






15. Relationship in which a number is smaller than another






16. To drop a percent






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






18. Absolute value of number






19. Properties of numbers btw -1 and 1

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






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






22. The answer to an addition problem






23. To make a percent






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






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






26. odd + even






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






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






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






30. Comparing positive fractions






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






32. The answer to a multiplication problem






33. How much a number is worth






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






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






36. Percent increase






37. Answer to a multiplication problem






38. Number divisible by 9






39. 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)






40. Comparing decimal fractions






41. To place a fraction in lowest terms






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






43. 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.






44. Number divisible by 4






45. Probability






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






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






48. Dividing fractions






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






50. Number divisible by 3