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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. Adding/subtracting decimals






3. New whole






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






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






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






7. A shortcut for writing repeated multiplication






8. Percent increase






9. To change a percent to a decimal






10. 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.






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






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






13. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






15. Reciprocal of number






16. Percent x whole






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






18. 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






19. Average value






20. Average A per B






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






22. Be identical or equivalent to






23. 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)=






24. The answer to an addition problem






25. Number divisible by 9






26. A fraction out of 100 - %






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






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






29. To make a percent






30. 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)






31. Multiplying decimals






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






33. Number divisible by 5






34. Number divisible by 4






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






36. 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






37. A fraction whose numerator is greater than its denominator






38. 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?






39. Answer to a division problem






40. Probability






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






42. Dividing fractions






43. Adding/subtracting fractions






44. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






46. Standard deviation: greater if...






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






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






49. Not identical or equivalent to






50. Dividing decimals







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Can you answer 50 questions in 15 minutes?


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