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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. How much a number is worth






2. 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)=






3. The smallest number in a group of numbers






4. Reciprocal of number






5. Multiplying decimals






6. Properties of 0

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7. New whole






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






9. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






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






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






12. Comparing decimal fractions






13. Natural Numbers - Whole Numbers - Integers - Rational Numbers






14. Percent decrease






15. The answer to a subtraction problem






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






17. Number divisible by 5






18. Average value






19. 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






20. Reducing fractions






21. To place a fraction in lowest terms






22. Adding/subtracting decimals






23. Number divisible by 6






24. Number divisible by 3






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






26. Simplifying complex fractions: two methods






27. Percent x whole






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






29. A line for representing and graphing numbers. Each point on the line corresponds to a number.






30. A letter that represents a value that may change






31. 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)






32. Mode






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. Relationship in which a number is smaller than another






35. Dividing decimals






36. An equation showing 2 ratios are equal






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






38. A fraction out of 100 - %






39. A shortcut for writing repeated multiplication






40. Answer to a multiplication problem






41. A fraction whose numerator is greater than its denominator






42. Adding/subtracting fractions






43. odd + even






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






45. A value that does not change; any number






46. 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.






47. Not identical or equivalent to






48. 8x8=64 What is 64?






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






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