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






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






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






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






5. Be identical or equivalent to






6. 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?






7. Number divisible by 5






8. Standard deviation: greater if...






9. An equation showing 2 ratios are equal






10. Answer to a division problem






11. Multiple-event probability






12. A letter that represents a value that may change






13. Not identical or equivalent to






14. A fraction out of 100 - %






15. Relationship in which a number is smaller than another






16. To drop a percent






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






18. The answer to a subtraction problem






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






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






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






22. The smallest number in a group of numbers






23. The largest number in a group of numbers






24. Number divisible by 4






25. Properties of 0

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






27. Number divisible by 9






28. Percent increase






29. 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)






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






31. Dividing fractions






32. A number with more than two factors






33. Adding/subtracting fractions






34. Reducing fractions






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






36. A value that does not change; any number






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






38. Comparing decimal fractions






39. Mode






40. Reciprocal of number






41. The answer to a multiplication problem






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






43. To change a percent to a decimal






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






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






46. 1/5 + 1/4=4/20 +5/20 and 20 is the...






47. 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






48. Number divisible by 6






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






50. odd + even