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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. Properties of 1 and -1

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2. Number divisible by 5






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






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






5. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






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






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






9. Be identical or equivalent to






10. To change a percent to a decimal






11. Multiple-event probability






12. An equation showing 2 ratios are equal






13. The answer to an addition problem






14. Properties of numbers btw -1 and 1

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15. Multiplying decimals






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






17. Answer to a multiplication problem






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






19. Comparing decimal fractions






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






21. Properties of 0

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22. 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






23. To place a fraction in lowest terms






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






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






26. 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.






27. Number divisible by 2






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






29. A set of operators - numbers - variables and grouping symbols; no equal sign






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






31. Standard deviation: greater if...






32. Relationship in which a number is smaller than another






33. 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?






34. Multiplying fractions






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






36. Number divisible by 6






37. Adding/subtracting decimals






38. The smallest number in a group of numbers






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






40. Number divisible by 9






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






42. Percent decrease






43. A shortcut for writing repeated multiplication






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






45. Percent increase






46. A number with more than two factors






47. Mode






48. A fraction whose numerator is greater than its denominator






49. Not identical or equivalent to






50. Answer to a division problem