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






2. Number divisible by 6






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






4. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)






5. Average A per B






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






7. Relationship in which a number is smaller than another






8. 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)=






9. Comparing positive fractions






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






11. Comparing decimal fractions






12. Multiplying decimals






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






14. Multiple-event probability






15. 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






16. 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)






17. An equation showing 2 ratios are equal






18. A value that does not change; any number






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






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






21. Answer to a multiplication problem






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






23. 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?






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






25. 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






26. Reducing fractions






27. Properties of 1 and -1

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28. Adding/subtracting decimals






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






30. Mode






31. Percent increase






32. Percent x whole






33. To drop a percent






34. When a number is larger than the other number. Example 65 > 56






35. The smallest number in a group of numbers






36. odd + even






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






38. A letter that represents a value that may change






39. To make a percent






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






41. Number divisible by 4






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






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






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






45. 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






46. New whole






47. Average value






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






49. To change a percent to a decimal






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