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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. Be identical or equivalent to






2. Reciprocal of number






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






4. To change a percent to a decimal






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






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






7. Properties of 1 and -1

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8. The greatest whole number that is a factor of two or more nonzero whole numbers






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






10. Number divisible by 3






11. Properties of 0

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12. A letter that represents a value that may change






13. 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)=






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






15. New whole






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






18. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...






19. To find the answer for; solve






20. Median






21. Number divisible by 2






22. An equation showing 2 ratios are equal






23. 1/5 + 1/4=4/20 +5/20 and 20 is the...






24. Mode






25. Multiplying fractions






26. Percent x whole






27. A shortcut for writing repeated multiplication






28. Comparing positive fractions






29. Percent decrease






30. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi






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






32. 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?






33. 8x8=64 What is 64?






34. Reducing fractions






35. Not identical or equivalent to






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






37. 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)






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






39. Adding/subtracting decimals






40. 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.






41. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2






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






43. Comparing decimal fractions






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






45. Average A per B






46. Absolute value of number






47. Average value






48. The answer to an addition problem






49. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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