Calculating Areas of Rectangles and Triangles

The video tutorial explains how to calculate the area of rectangles and triangles using a fun scenario involving covering a bedroom with Zac Efron photos. It introduces the concept of area, explains how to measure it in square units, and provides formulas for calculating the area of rectangles and right triangles. The tutorial concludes by showing how to sum individual areas to find the total coverage needed.

Why did the boy decide to cover his sister's bedroom with photos?

• To redecorate the room

• To surprise her for her birthday

• To practice his photography skills

• To welcome her back from college

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CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.1.1

CCSS.RL.2.1

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What is the purpose of calculating the area in this scenario?

• To calculate the cost of the photos

• To measure the height of the walls

• To find the volume of the room

• To determine the number of photos needed

Which unit of measurement is most appropriate for this project?

• Square meters

• Square feet

• Square miles

• Square inches

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CCSS.3.MD.C.6

How do you calculate the area of a rectangle?

• Multiply the length by the width

• Add the length and the width

• Divide the length by the width

• Subtract the width from the length

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangular wall that is 12 feet long and 8 feet high?

• 96 square feet

• 100 square feet

• 120 square feet

• 80 square feet

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula for the area of a right triangle?

• Base times height

• One-half the base times the height

• Base plus height

• Base divided by height

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CCSS.6.G.A.1

If a right triangle has a base of 6 feet and a height of 8 feet, what is its area?

• 48 square feet

• 12 square feet

• 24 square feet

• 36 square feet

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CCSS.6.G.A.1

What should you do after calculating the area of each individual wall?

• Divide by the number of walls

• Subtract the smallest area

• Add them together

• Multiply them together

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Why was it worth the effort to calculate the total area and cover the walls with photos?

• To improve the room's appearance

• To practice math skills

• To see the look on the sister's face

• To make a collage

How did the sister react to the decorated room?

• She started crying

• She ignored it

• She was shocked

• She was very happy

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CCSS.RI. 9-10.1

CCSS.RI.6.1

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