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7th 8th Grade Math Vocab

Subjects : math, 7th-grade, 8th-grade
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 make a fraction easier to work with by taking out common factors

2. A ratio that shows the cost per unit of measure

3. A number that tells how many times the base is multiplied by itself

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

5. A triangle with two equal sides and two equal angles

6. An angle measuring more than 90 degrees and less than 180 degrees

7. The distance around a figure

8. In a division problem - the number that an amount is divided by

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

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

11. A polygon that has four sides

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

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

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

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

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

17. A quadrilateral with two pairs of congruent - parallel sides

18. A length that is half the diameter of a circle; the distance from the center of the circle to the circle itself

19. The result of muliplying two or more numbers

20. The vertical number line of a coordinate graph

21. The value on the x-axis used to locate a point on the coordinate graph. It is the first value in an ordered pair.

22. An angle that measures 180 degrees

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

24. Two angles whose sum is 180 degrees

25. A polygon with five sides

26. A parallelogram with all sides equal and congruent

27. A quadrilateral with one pair of parallel sides

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

29. A mirror image of a figure shown over a line of reflection

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

31. A mathematical sentence that uses an equal sign

32. Having the same size and shape

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

34. The distance around a circle (the perimeter of a circle)

35. A solid figure with two congruent and parallel circular bases

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

37. Two angles whose sum equals 90 degrees

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

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

40. A polygon with six sides.

41. In a group of values - the value that occurs most often

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

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

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

45. An equation stating that two ratios are equal

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

47. A triangle with one right angle

48. Surface space that is measured in square units

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

50. The horizontal number line of a coordinate graph