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MEASURING RECTANGLES 4 th Grade Math MA.4.5 200 - Measurement

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AREA AND PERIMETER OF RECTANGLES LESSON In this lesson you will be learning about how to find the area and perimeter of a rectangle! Please be sure to quietly work on this assignment individually. There will be a quiz at the end, so pay attention and make sure you understand everything! Dont be afraid to go back to previous slides if you arent sure of a concept. Have fun!

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INTRODUCTION QUIZ AREA PERIMETER SCAVENGER HUNT CLICK PLAY ON THE SOUND BUTTON BELOW IF YOU ARENT SURE WHAT TO DO

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Heres a cool video from NASA!

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Perimete r Perimeter = 2L + 2W Perimeter is the distance around a two-dimensional shape

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Perimeter = 2L + 2W 2(4) + 2(10) = 8 + 20 = 28 feet

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Area Area = L x W Area is the size of a surface

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Area = L x H 10 x 4 = 40 feet

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Are you ready for the Scavenger Hunt? In the next few slides, click on the image that has the correct height or width that you are looking for.

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3 inches 4 inches 4 inches 2 inches 5 inches 3 inches 2 inches

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3 inches 4 inches 4 inches 2 inches 5 inches 3 inches 2 inches

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? inches

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4 inches 2 inches To find the perimeter of the coffee mug, you would take the length times 2, plus the width times 2. Click the coffee mug when you think you have found the answer. If you need to, use the pen tool to show your work! 2(4) + 2(2) = 8 + 4 = 12

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POP QUIZ If you dont think youre ready for the quiz, click below to go back to the beginning of the power point to review again. If youre ready to take the quiz click the arrow below to start the first question!

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What does the H in a formula stand for? Hexagon Height Hint

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What does the W in a formula stand for? Wideness Window Width

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What does the L in a formula stand for? Length Longness Longevity

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What is the formula for the area of a rectangle? L x H 2L + 2W 2 (L + W)

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What is the formula for the perimeter of a rectangle? L x H 2L + 2W 2L x 2W

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GOOD JOB! You have completed the Measuring Rectangles Lesson Plan. If you have extra time, click the link and choose one of the games to play! If you want to go through this lesson again click the arrow to go back to the beginning. http://pbskids.org/ games/measureme nt/