Calculating Areas of Rectangles, Squares, and Triangles

This video tutorial covers how to calculate the area of rectangles, squares, and triangles. It begins with an introduction to the concept of area, followed by detailed explanations and examples for each shape. The video also includes practice problems and a pop quiz to reinforce learning. Viewers are encouraged to apply their knowledge to real-world situations and are reminded of the importance of using proper units in their calculations.

What is the area of a rectangle with a length of 3 feet and a width of 2 feet?

• 8 square feet

• 10 square feet

• 6 square feet

• 5 square feet

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 4 feet and a width of 3 feet, what is its area?

• 12 square feet

• 10 square feet

• 15 square feet

• 7 square feet

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the area of a square?

• Multiply the base by the height

• Multiply one side by itself

• Multiply the length by the width

• Add all the sides together

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a square with side lengths of 5 yards?

• 20 square yards

• 15 square yards

• 25 square yards

• 30 square yards

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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

• Side times side

• Length times width

• One half times base times height

• Base times height

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CCSS.6.G.A.1

If a triangle has a base of 4 inches and a height of 3 inches, what is its area?

• 12 square inches

• 10 square inches

• 8 square inches

• 6 square inches

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CCSS.6.G.A.1

What is the area of a triangle with a base of 5 cm and a height of 8 cm?

• 20 square cm

• 10 square cm

• 15 square cm

• 20 square cm

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CCSS.6.G.A.1

Jenny's backyard is a square with one side measuring 10 meters. What is the area?

• 75 square meters

• 100 square meters

• 125 square meters

• 50 square meters

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangle with a length of 100 feet and a width of 200 feet?

• 10,000 square feet

• 20,000 square feet

• 30,000 square feet

• 40,000 square feet

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What should you do if no units are given for a shape's dimensions?

• Use square units or units squared

• Use square meters

• Use square feet

• Use square inches

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CCSS.3.MD.C.6