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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. odd + odd






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






3. Number divisible by 3






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






5. The smallest number in a group of numbers






6. Median






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






8. Multiple-event probability






9. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






11. Natural Numbers - Whole Numbers - Integers - Rational Numbers






12. To make a percent






13. 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)






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






15. Absolute value of number






16. Reciprocal of number






17. New whole






18. Not identical or equivalent to






19. A shortcut for writing repeated multiplication






20. Number divisible by 4






21. To find the answer for; solve






22. Dividing fractions






23. An equation showing 2 ratios are equal






24. Be identical or equivalent to






25. Properties of numbers btw -1 and 1

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26. 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






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






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






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






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






31. The answer to an addition problem






32. Adding/subtracting fractions






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






34. Adding/subtracting decimals






35. 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?






36. 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)=






37. Reducing fractions






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






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






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






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






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






43. 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.






44. Standard deviation: greater if...






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






46. 8x8=64 What is 64?






47. Multiplying fractions






48. A value that does not change; any number






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






50. To drop a percent