Stairprojectperimeter
- 1. PERIMETER
- 2. Exemplar: Measurement Measurement Topic: Perimeter, Area, and Volume Educational Objective: Find the perimeter of rectangles by adding side lengths and using a formula. Grade level:Third Grade
- 3. Directions: Finding Perimeter This lesson is for you to complete independently. Take your time and do not rush through the lesson. You can click on the HOME button at the bottom of each page to return to the beginning of the lesson. Use the blue Arrow Keys to navigate through the pages of the lesson. Key terms will be highlighted in red. Use the ESC button (top left corner of the keyboard) to exit the lesson. Only use this key if you need to exit the entire lesson quickly. Have fun!!
- 4. What is perimeter? Perimeter is the sum of the distance around a shape or closed figure. Lengt h Width Width Lengt h Perimeter = L + W + L + W
- 5. How do I find perimeter of a rectangle? 6 ft 3 ft 3 ft 6 ft Add all the sides of the rectangle to P=l+w+l+ find the perimeter. w P= l+w+l+w P=6+3+6+ 3 P = 18 feet
- 6. Lets practice! 6 ft Perimeter is 4 ft 4 ft l+w+l+w 6 + 4 + 6 + 4 = 20 ft 6 ft 2 ft Perimeter is l+w+l+w 2 + 9 + 2 + 9 = 22 ft 9 ft 9 ft 2 ft
- 7. Now its your turn! Complete the problems on the next 3 pages. Click on the answer you think is the correct answer and you will be directed accordingly. If you answer incorrectly, pay close attention to the notes to see what errors you made. Take your time. Use paper and pencil to calculate your answers. You can always return to the home screen by clicking on the home button.
- 8. Problem 1: What number sentence should you use to find A) 10 + 16 + 10 = 36 ft the perimeter of the rectangle? B) 10 + 16 + 10 + 10 = 46 10 ft ft C) 10 + 16 = 26 ft 16 ft 16 ft D) 10 + 16 + 10 + 16 = 52 ft 10 ft
- 9. Problem 2: What number sentence should you use to find the perimeter of the rectangle? A) 30 + 22 = 52 ft 30 ft B) 30 + 22 + 30 + 22 = 22 ft 104 ft C) 30 + 22 + 30 = 82 ft D) 30 + 30 = 60 ft 22 ft 30 ft
- 10. Problem 3: Molly wants to use a blanket for a picnic with her friends. The blanket is 4 ft wide and 9 feet long. What is the perimeter of her blanket? Use paper to solve the problem and then click on the red rectangle to see if you are correct. ? ? 4 + 9 + 4 + 9 = 26 ft
- 11. AWESOME! OH YEAH! FANTASTIC! You found the perimeter by adding the lengths and the widths!!
- 12. AWESOME! OH YEAH! FANTASTIC! You found the perimeter by adding the lengths and the widths!!
- 13. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 14. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 15. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 16. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 17. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 18. Oops! Try again! Remember add each of the sides to find perimeter. L + W + L + W Click on this link to see a video review of how to find perimeter.
- 19. AWESOME! OH YEAH! FANTASTIC! You found the perimeter by adding the lengths and the widths!!
- 20. Now that youre done please click on the Home key to return to the main screen. Then, either see me or return to your seat to continue working quietly. I hope you had fun!!