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






2. Simplifying complex fractions: two methods






3. Percent increase






4. The answer to a multiplication problem






5. Percent x whole






6. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






8. Comparing positive fractions






9. Adding/subtracting fractions






10. 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






11. A fraction whose numerator is greater than its denominator






12. Standard deviation: greater if...






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






15. How much a number is worth






16. 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)=






17. odd + odd






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






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






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






21. The answer to an addition problem






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






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






24. 8x8=64 What is 64?






25. Number divisible by 5






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






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






28. A letter that represents a value that may change






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






30. Number divisible by 6






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






32. 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






33. Dividing decimals






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






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






36. A shortcut for writing repeated multiplication






37. Natural Numbers - Whole Numbers - Integers - Rational Numbers






38. An equation showing 2 ratios are equal






39. Comparing decimal fractions






40. A value that does not change; any number






41. odd + even






42. Probability






43. Answer to a division problem






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






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






46. Average A per B






47. 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?






48. 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.






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






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






Can you answer 50 questions in 15 minutes?



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