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






2. The symbol ≥ is read as ______________.






3. The ________ of an angle is the common endpoint of the rays forming the angle.






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






5. 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.






6. 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.






7. The set of all possible outcomes is _____________.






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






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






10. 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).






11. To add ____________ with common denominators - write the sum of the numerators over the common denominators. Then add the whole numbers.






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






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






14. The ____________ of a circle is always a little more than three times the diameter.






15. The ________ is used to represent the ratio of distance on the map to the actual distance.






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






17. The symbol > is read as _________.






18. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.






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






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






21. To add mixed numbers with unlike denominators - write equivalent fractions with a ___________ . Add the whole numbers and add the fractions.






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






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






24. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .






25. _________ - _________ - and_______may be written by first writing each one as a fraction with a denominator of 100.






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






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






28. The symbol < is read as ________ .






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






30. 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.






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






32. In a __________ - an object slides from one position to another without changing its size or shape.






33. The _________ of an integer is the distance of the integer from zero.






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






35. The surface area of a __________ is the sum of the areas of two circles and a rectangle.






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






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






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






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






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






41. An ________ is a mathematical sentence that contains the equal sign.






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






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






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






45. A _________ has six rectangular faces. To find the surface area - find the sum of the areas of the six faces.






46. The opposite of a positive integer is a ________ .






47. Two angles are ___________ if the sum of their measures is 90°.






48. A _________ is a special kind of bar graph that shows frequency of data.






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






50. The symbol ______ means percent.