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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. Reciprocal of number






2. The answer to a subtraction problem






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






4. A shortcut for writing repeated multiplication






5. A number with more than two factors






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






7. Natural Numbers - Whole Numbers - Integers - Rational Numbers






8. The answer to a multiplication problem






9. Average value






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






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






12. Be identical or equivalent to






13. Simplifying complex fractions: two methods






14. 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)






15. To make a percent






16. 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?






17. Average A per B






18. 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.






19. How much a number is worth






20. To place a fraction in lowest terms






21. Answer to a multiplication problem






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






23. Adding/subtracting fractions






24. Reducing fractions






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






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






27. Number divisible by 6






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






29. To change a percent to a decimal






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






31. 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)=






32. odd + even






33. Number divisible by 3






34. Mode






35. A line for representing and graphing numbers. Each point on the line corresponds to a number.






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






37. odd + odd






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






39. Multiplying fractions






40. Not identical or equivalent to






41. 1/5 + 1/4=4/20 +5/20 and 20 is the...






42. 8x8=64 What is 64?






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






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






45. Probability






46. A set of operators - numbers - variables and grouping symbols; no equal sign






47. New whole






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






49. Percent increase






50. Comparing positive fractions






Can you answer 50 questions in 15 minutes?



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