## Test your basic knowledge |

# 7th 8th Grade Math Vocab

**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. A number that when multiplied by itself results in the original number**

**2. The sum of a group of numbers divided by the number of numbers; also known as the average**

**3. A polygon with five sides**

**4. A ratio that shows the cost per unit of measure**

**5. A mathematical sentence that uses an equal sign**

**6. Figures that have the same shape but different sizes; their sides are proportional - while their corresponding angles are equal**

**7. A triangle with one right angle**

**8. Having the same size and shape**

**9. Three or more line segments in a plane that forms a closed figure. The line segments never cross but meet at their endpoints.**

**10. A quadrilateral with two pairs of congruent - parallel sides**

**11. The vertical number line of a coordinate graph**

**12. An eight-sided polygon**

**13. An equation stating that two ratios are equal**

**14. A quadrilateral with one pair of parallel sides**

**15. A ratio that compares two different types of quantities**

**16. The difference between the least and greatest values in a set of numbers**

**17. One of the four regions formed by the intersection of the axes of a coordinate graph**

**18. A value found by ordering a group of data from least to greatest and choosing the middle value of the group.**

**19. A line segment that passes through the center of a circle and has its endpoints on the circle**

**20. The value on the y-axis used to locate a point on the coordinate graph. It is the second value in an ordered pair.**

**21. The total of two or more numbers being added**

**22. To make a fraction easier to work with by taking out common factors**

**23. A solid figure that has triangles for its sides and a polygon as its base**

**24. Two angles whose sum equals 90 degrees**

**25. A polygon with six sides.**

**26. A solid figure that has two congruent - parallel polygons as its bases. Its sides are parallelograms.**

**27. The distance around a circle (the perimeter of a circle)**

**28. A triangle that has three equal sides and three equal angles**

**29. The point of intersection for two sides of a plane figure - three sides of a solid figure - or the endpoints of two rays that form an angle.**

**30. A parallelogram with all sides equal and congruent**

**31. The result of muliplying two or more numbers**

**32. Two numbers listed in a specific order; it describes a point on the coordinate graph**

**33. A triangle with two equal sides and two equal angles**

**34. In a division problem - it's the number being divided**

**35. An angle that measures 180 degrees**

**36. A polygon that has four sides**

**37. Two angles whose sum is 180 degrees**

**38. The ratio of a number to 100 (per one hundred); the symbol %**

**39. The amount that remains after one number has been subtracted from another**

**40. A drawing of an object that is different in size (usually smaller than the original) but keeps the same proportions**

**41. A combination of numbers and variables connected by one or more operations signs**

**42. The result of dividing one number by another; the solution to a division problem**

**43. The distance around a figure**

**44. An angle measuring more than 90 degrees and less than 180 degrees**

**45. A comparison of the two values of two numbers**

**46. The inverse of a fraction; when multiplied by the original fraction - it results in a product that equals one**

**47. Rules that tell which steps to follow when solving an expression**

**48. A parallelogram with four right angles**

**49. A triangle with sides of different lengths and no two angles are the same**

**50. Surface space that is measured in square units**