๐ Topic Summary
Perimeter is the total distance around the outside of a shape. Think of it like building a fence around your backyard! Area, on the other hand, is the amount of space inside a shape. Imagine covering your bedroom floor with carpet; that's area! We'll be working with simple shapes like squares, rectangles, and triangles to practice calculating these.
๐ Part A: Vocabulary
Match the terms with their definitions:
| Term |
Definition |
| 1. Perimeter |
A. The amount of space inside a two-dimensional shape. |
| 2. Area |
B. A four-sided shape with all sides equal and four right angles. |
| 3. Rectangle |
C. The distance around the outside of a two-dimensional shape. |
| 4. Square |
D. A shape with three sides. |
| 5. Triangle |
E. A four-sided shape with opposite sides equal and four right angles. |
(Answers: 1-C, 2-A, 3-E, 4-B, 5-D)
๐ Part B: Fill in the Blanks
Complete the sentences using the words: area, perimeter, length, width, square.
- To find the __________ of a rectangle, you add up all the sides.
- The __________ of a room tells you how much carpet you need.
- A __________ has four equal sides and four right angles.
- To calculate the area of a rectangle, you multiply the __________ by the __________.
(Answers: 1-perimeter, 2-area, 3-square, 4-length, width)
๐ค Part C: Critical Thinking
Imagine you have 24 meters of fencing to build a rectangular garden. What dimensions (length and width) would give you the largest possible area for your garden? Explain your reasoning.