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Important Math Facts

Subject : math
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. The ________ of an angle is the common endpoint of the rays forming the angle.






2. The symbol < is read as ________ .






3. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3






4. To _____________ - express the mixed numbers as improper fractions - multiply - and simplify the results.






5. A _______ is the comparison of two numbers by division.






6. _________ integers are the same distance from zero in opposite directions on the number line.






7. When two or more numbers are multiplied - each number is called a _________ .






8. ___________ is a number that can be written using an exponent. For example - 3² means three to the second power.






9. Similar figures have the same shape but different sizes. The symbol ~ means _________ .






10. Use number lines to ________ two decimals.






11. In a power - the number used as a factor is the base. In 10³ - the ________ is 10. That is - 10³ = 10 X 10 X 10.






12. A ___________ is a transformation that turns a line or shape around a fixed point.






13. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.






14. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.






15. Make a __________ of an integer by using its placement on the number line.






16. The __________ of a solid is the total area of its exterior surfaces.






17. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.






18. A _________ is a randomly-selected group that is used to represent a whole population.






19. The _________ of a circle is twice the length of the radius.






20. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .






21. An ___________ is a combination of numbers - variables - and operations.






22. In a power - the number of times the base is used as a factor is the ________ . In 5³ - the exponent is 3.






23. To _________ - write the mixed numbers as improper fractions. Replace the divisor with its reciprocal and multiply.






24. In a__________ - an object flips over a line without changing its size or shape.






25. A ___________is for organizing a set of data that shows the number of times each item or number appears.






26. The symbol > is read as _________.






27. A diagram used to show the total number of possible outcomes in a probability experiment is called a _____________.






28. Together - the x coordinate and y coordinate form an ___________.






29. The set of all possible outcomes is _____________.






30. Both addition and multiplication are _________ . This means that order doesnft change the sum or product.






31. A ___________ is a proportion with one fraction with a denominator of 1.






32. The ___________ of a circle is equal to π times its diameter or π times twice its radius. C = π d or C = 2 π r.






33. A _______ is a ratio that compares a number to 100.






34. A _____________ is a system used to condense a set of data where the greatest place value of the data forms the stem and next greatest place value forms the leaves.






35. A _________ is an equation that shows two ratios are equivalent.






36. The symbol ≥ is read as ______________.






37. A _______ is a comparison of two numbers with different units of measure.






38. An approximation of pi is 3.14 - or _______ .






39. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.






40. To add or subtract fractions with unlike denominators - you need to change the fractions to equivalent fractions with ____________ before you find the sum or difference.






41. Two angles are ___________ if the sum of their measures is 180°.






42. The ______________ are the numbers of pieces of data that can represent the whole set of data. These common measures of central tendency are mean - median - and mode.






43. Use __________ to compare two decimals - using the order symbols.






44. The set of ________ consists of the positive whole numbers - zero - and the opposites of the positive whole numbers.






45. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.






46. The rules to follow when more than one operation is used are called the ___________.






47. An _________ is a mathematical sentence that contains < - > - ≠- ≤ - or ≥ .






48. The line or the fold is called the __________ .






49. A _________ is a symbol - usually a letter - used to represent a number.






50. The _________ states that multiplying a sum by a number is the same as multiplying each addend by that number and then adding the two products. For example - 3(8 + 2) = (3 x 8) + (3 x 2).







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