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






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






3. Multiplying fractions






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






5. Number divisible by 2






6. 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)






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






8. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






10. The answer to an addition problem






11. Percent x whole






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






13. Comparing decimal fractions






14. Dividing fractions






15. 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?






16. The largest number in a group of numbers






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






18. Not identical or equivalent to






19. 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)






20. A letter that represents a value that may change






21. Properties of 1 and -1

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22. Adding/subtracting decimals






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






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






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






26. A fraction out of 100 - %






27. Number divisible by 9






28. Average value






29. To place a fraction in lowest terms






30. Adding/subtracting fractions






31. A fraction whose numerator is greater than its denominator






32. 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?






33. Number divisible by 6






34. A number with more than two factors






35. Properties of numbers btw -1 and 1

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36. A value that does not change; any number






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






38. The answer to a multiplication problem






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






40. Answer to a division problem






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






42. Percent increase






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






44. How much a number is worth






45. Dividing decimals






46. Median






47. To change a percent to a decimal






48. Probability






49. Properties of 0

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50. The answer to a subtraction problem