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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. Natural Numbers - Whole Numbers - Integers - Rational Numbers






2. 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






3. To place a fraction in lowest terms






4. Answer to a multiplication problem






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






6. Average value






7. A value that does not change; any number






8. Number divisible by 4






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






10. The answer to an addition problem






11. Average A per B






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






13. The answer to a subtraction problem






14. To change a percent to a decimal






15. The answer to a multiplication problem






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






17. odd + even






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






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






20. Answer to a division problem






21. Properties of 1 and -1

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22. Number divisible by 3






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






24. 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






25. Not identical or equivalent to






26. Probability






27. The largest number in a group of numbers






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






29. Dividing decimals






30. A letter that represents a value that may change






31. 1/5 + 1/4=4/20 +5/20 and 20 is the...






32. Percent increase






33. Adding/subtracting fractions






34. Adding/subtracting decimals






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






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






37. Number divisible by 6






38. Number divisible by 2






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






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






42. 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)






43. An equation showing 2 ratios are equal






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






45. Dividing fractions






46. Number divisible by 9






47. To drop a percent






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






49. Multiplying decimals






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







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Can you answer 50 questions in 15 minutes?


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