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






3. Answer to a multiplication problem






4. 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?






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






6. 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






7. A value that does not change; any number






8. An equation showing 2 ratios are equal






9. 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






10. Natural Numbers - Whole Numbers - Integers - Rational Numbers






11. Number divisible by 5






12. Reciprocal of number






13. Properties of 1 and -1

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14. Multiplying decimals






15. Dividing fractions






16. 1/5 + 1/4=4/20 +5/20 and 20 is the...






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






18. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3






19. Properties of numbers btw -1 and 1

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






21. To drop a percent






22. Number divisible by 2






23. A letter that represents a value that may change






24. Percent decrease






25. Be identical or equivalent to






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






27. Number divisible by 3






28. To place a fraction in lowest terms






29. odd + odd






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






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






32. Adding/subtracting decimals






33. How much a number is worth






34. A number with more than two factors






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






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






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






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






39. odd + even






40. 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)






41. Mode






42. Multiple-event probability






43. Percent increase






44. Average A per B






45. 8x8=64 What is 64?






46. Average value






47. Multiplying fractions






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






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






50. Comparing decimal fractions