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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. Dividing fractions






2. odd + even






3. A fraction out of 100 - %






4. To change a percent to a decimal






5. Reducing fractions






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






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






8. 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






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






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






11. Not identical or equivalent to






12. Median






13. To find the answer for; solve






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






15. How much a number is worth






16. Absolute value of number






17. Multiplying decimals






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






19. Percent increase






20. Properties of 1 and -1

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21. The smallest number in a group of numbers






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






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






24. 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?






25. 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)=






26. An equation showing 2 ratios are equal






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






28. Natural Numbers - Whole Numbers - Integers - Rational Numbers






29. Number divisible by 6






30. Reciprocal of number






31. Number divisible by 5






32. A fraction whose numerator is greater than its denominator






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






34. The answer to a multiplication problem






35. 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)






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






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






38. Multiplying fractions






39. 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






40. New whole






41. Relationship in which a number is smaller than another






42. The answer to an addition problem






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






44. 1/5 + 1/4=4/20 +5/20 and 20 is the...






45. 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.






46. Percent decrease






47. A shortcut for writing repeated multiplication






48. Number divisible by 2






49. 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)






50. 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







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Can you answer 50 questions in 15 minutes?


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