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






2. The symbol ≥ is read as ______________.






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






4. The symbol > is read as _________.






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






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






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






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






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






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






11. 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.






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






13. 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.






14. To __________ an algebraic expression means to substitute a value for the variables and apply the rules for order of operation.






15. The symbol < is read as ________ .






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






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






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






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






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






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






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






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






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






25. The symbol ≤ is read as __________ .






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






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






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






29. 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.






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






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






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






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






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






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






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






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






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






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






40. ______________ are two events in which either one or the other must take place - but they cannot both happen at the same time. The sum of their probabilities is one.






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






42. The set of all possible outcomes is _____________.






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






44. The symbol ______ means percent.






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






46. To ______________ - if the denominators are unlike - write equivalent fractions with a common denominator. Subtract the fractions first - and rename if necessary. Then subtract the whole numbers. Simplify if possible.






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






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






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






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