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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. Adding/subtracting decimals






2. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






4. Dividing decimals






5. Reciprocal of number






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






7. Comparing decimal fractions






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






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






10. Number divisible by 3






11. Comparing positive fractions






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






13. Not identical or equivalent to






14. Multiple-event probability






15. Answer to a multiplication problem






16. 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






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






18. Properties of 1 and -1

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19. An equation showing 2 ratios are equal






20. Median






21. Probability






22. Be identical or equivalent to






23. A fraction out of 100 - %






24. The answer to a multiplication problem






25. odd + even






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






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






28. A shortcut for writing repeated multiplication






29. The smallest number in a group of numbers






30. Average A per B






31. To find the answer for; solve






32. To drop a percent






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






34. 8x8=64 What is 64?






35. A fraction whose numerator is greater than its denominator






36. 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?






37. Number divisible by 4






38. Percent x whole






39. A value that does not change; any number






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






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






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






43. Percent decrease






44. 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.






45. Mode






46. Properties of numbers btw -1 and 1

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47. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=






48. The answer to a subtraction problem






49. Adding/subtracting fractions






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