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






2. The symbol > is read as _________.






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






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






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






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






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






8. 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.






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






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






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






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






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






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






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






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






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






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






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






20. The symbol < is read as ________ .






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






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






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






24. 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).






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






26. The set of all possible outcomes is _____________.






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






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






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






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






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






32. The symbol ≤ is read as __________ .






33. 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.






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






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






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






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






38. 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.






39. 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.






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






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






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






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






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






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






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






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






48. Use number lines to ________ two decimals.






49. 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.






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