Vocabulary Terms

2. A positive or negative whole number.
3. An equation that can help you solve a problem.
4. The answer to a subtraction problem.
8. A quadrilateral with four equal sides.
9. The answer to an addition problem.
10. An unknown number represented by a letter.
12. A line segment that goes through the center of a circle and reaches both sides of the circle.
15. A quadrilateral with four equal sides and four right angles.
17. Line segment that reaches halfway through the center of a circle.
18. The distance around a figure.
19. An angle that is greater than 90° but less than 180°.
21. A tool to help with quick calculations.
23. An angle that measures exactly 180°.

1. The bottom value in a fraction.
5. When two fractions are equal to each other, they are ______________.
6. A triangle with no equal sides.
7. The amount of space on the surface of a two-dimensional figure.
11. Measurement system used in Europe and other parts of the world based on the gram, liter, and meter.
13. A quadrilateral with one pair of parallel sides.
14. The top value in a fraction.
16. The answer to a division problem.
18. The answer to a multiplication problem.
20. Part of a whole
22. The outer curve of a circle.