Explanation:
We are given 8 shapes — rectangles and squares — with side lengths labeled. For each, we need to find:
-
Area = length × width
-
Perimeter = sum of all sides = 2 × (length + width)
- For a square, since all sides are equal:
- Area = side × side
- Perimeter = 4 × side
Let’s go one by one:
1. Rectangle: 8 m × 5 m
- Area = 8 × 5 =
40 m²
- Perimeter = 2 × (8 + 5) = 2 × 13 =
26 m
2. Square: 6 m side
- Area = 6 × 6 =
36 m²
- Perimeter = 4 × 6 =
24 m
3. Rectangle: 12 m × 3 m
- Area = 12 × 3 =
36 m²
- Perimeter = 2 × (12 + 3) = 2 × 15 =
30 m
4. Rectangle: 7 m × 6 m
- Area = 7 × 6 =
42 m²
- Perimeter = 2 × (7 + 6) = 2 × 13 =
26 m
5. Rectangle: 6 m × 9 m
- Area = 6 × 9 =
54 m²
- Perimeter = 2 × (6 + 9) = 2 × 15 =
30 m
6. Rectangle: 15 m × 5 m
- Area = 15 × 5 =
75 m²
- Perimeter = 2 × (15 + 5) = 2 × 20 =
40 m
7. Rectangle: 8 m × 7 m
- Area = 8 × 7 =
56 m²
- Perimeter = 2 × (8 + 7) = 2 × 15 =
30 m
8. Square: 9 m side
- Area = 9 × 9 =
81 m²
- Perimeter = 4 × 9 =
36 m
Double-check each calculation quickly:
- #1: 8×5=40 ✔️, 2×13=26 ✔️
- #2: 6²=36 ✔️, 4×6=24 ✔️
- #3: 12×3=36 ✔️, 2×15=30 ✔️
- #4: 7×6=42 ✔️, 2×13=26 ✔️
- #5: 6×9=54 ✔️, 2×15=30 ✔️
- #6: 15×5=75 ✔️, 2×20=40 ✔️
- #7: 8×7=56 ✔️, 2×15=30 ✔️
- #8: 9²=81 ✔️, 4×9=36 ✔️
All correct.
Final Answer:
1. Area: 40 m², Perimeter: 26 m
2. Area: 36 m², Perimeter: 24 m
3. Area: 36 m², Perimeter: 30 m
4. Area: 42 m², Perimeter: 26 m
5. Area: 54 m², Perimeter: 30 m
6. Area: 75 m², Perimeter: 40 m
7. Area: 56 m², Perimeter: 30 m
8. Area: 81 m², Perimeter: 36 m
Parent Tip: Review the logic above to help your child master the concept of worksheet on perimeter.