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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. Natural Numbers - Whole Numbers - Integers - Rational Numbers






2. Percent x whole






3. Properties of numbers btw -1 and 1

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4. To drop a percent






5. Comparing decimal fractions






6. A fraction whose numerator is greater than its denominator






7. odd + even






8. Percent increase






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






10. To place a fraction in lowest terms






11. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






12. Mode






13. Absolute value of number






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






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






16. 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.






17. To change a percent to a decimal






18. To find the answer for; solve






19. A letter that represents a value that may change






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






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






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






23. Standard deviation: greater if...






24. 8x8=64 What is 64?






25. Answer to a multiplication problem






26. New whole






27. Average A per B






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






29. 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?






30. Percent decrease






31. Dividing decimals






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






33. Number divisible by 4






34. Comparing positive fractions






35. Probability






36. Adding/subtracting decimals






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






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






39. A fraction out of 100 - %






40. To make a percent






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






42. odd + odd






43. The answer to an addition problem






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






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






46. Multiplying fractions






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






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






49. 1/5 + 1/4=4/20 +5/20 and 20 is the...






50. 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)







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Can you answer 50 questions in 15 minutes?


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