Jeopardy: Area and Surface Area Review

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Finding Area of Shapes

What is the area of a square with side lengths of 2 units?

What is the area of a rectangle with length 5 units and width 4 units?

What is the area of a triangle with a base of 7 units and height of 8 units?

What is the area of a trapezoid with bases of 6 units and 10 units, and a height of 4 units?

What is the area of a circle with a radius of 5 units?

Surface Area of Prisms

What is the surface area of a rectangular prism with length 2, width 2, and height 3?

What is the surface area of a cube with side length 4 units?

What is the surface area of a triangular prism with a base of 6 units, height of 4 units, and a length of 10 units?

What is the surface area of a cylinder with radius 3 units and height 5 units?

What is the surface area of a rectangular prism with dimensions of 2, 3, and 4 units?

Comparing Areas and Surface Areas

Which has a greater area: a square with side length 4 units or a rectangle with length 3 units and width 5 units?

Which shape generally has a smaller area: a triangle or a rectangle with the same base and height?

If two rectangles have the same area but different dimensions, can they have the same perimeter?

In general, which is greater when comparing a cylinder and a circle with the same radius: surface area or area?

How do you determine if the surface area of a prism is greater than the surface area of a sphere with the same radius?

Formulas for Area and Surface Area

What is the formula for the area of a rectangle?

What is the formula for the area of a triangle?

What is the surface area formula for a rectangular prism?

What is the surface area formula for a cylinder?

What are the formulas for the area and surface area of a circle?

Applications of Area and Surface Area

What area calculation would you use to determine the amount of grass seed needed for a square garden?

What is the practical application of calculating the area of a rectangle?

Why would a carpenter need to calculate the surface area of a rectangular prism?

How might you apply surface area in home renovations?

In what context could surface area be crucial for engineering designs?

Answer Key

Finding Area of Shapes

Q: What is the area of a square with side lengths of 2 units?

A: 4 square units

Q: What is the area of a rectangle with length 5 units and width 4 units?

A: 20 square units

Q: What is the area of a triangle with a base of 7 units and height of 8 units?

A: 28 square units

Q: What is the area of a trapezoid with bases of 6 units and 10 units, and a height of 4 units?

A: 32 square units

Q: What is the area of a circle with a radius of 5 units?

A: 10π square units

Surface Area of Prisms

Q: What is the surface area of a rectangular prism with length 2, width 2, and height 3?

A: 24 square units

Q: What is the surface area of a cube with side length 4 units?

A: 60 square units

Q: What is the surface area of a triangular prism with a base of 6 units, height of 4 units, and a length of 10 units?

A: 66 square units

Q: What is the surface area of a cylinder with radius 3 units and height 5 units?

A: 94 square units

Q: What is the surface area of a rectangular prism with dimensions of 2, 3, and 4 units?

A: 108 square units

Comparing Areas and Surface Areas

Q: Which has a greater area: a square with side length 4 units or a rectangle with length 3 units and width 5 units?

A: A square

Q: Which shape generally has a smaller area: a triangle or a rectangle with the same base and height?

A: A triangle

Q: If two rectangles have the same area but different dimensions, can they have the same perimeter?

A: Both have the same area

Q: In general, which is greater when comparing a cylinder and a circle with the same radius: surface area or area?

A: Surface Area is greater

Q: How do you determine if the surface area of a prism is greater than the surface area of a sphere with the same radius?

A: It depends on the dimensions

Formulas for Area and Surface Area

Q: What is the formula for the area of a rectangle?

A: A = l * w

Q: What is the formula for the area of a triangle?

A: A = 1/2 * b * h

Q: What is the surface area formula for a rectangular prism?

A: SA = 2lw + 2lh + 2wh

Q: What is the surface area formula for a cylinder?

A: SA = 2πrh + 2πr²

Q: What are the formulas for the area and surface area of a circle?

A: A = πr²  for area and SA = 2πrh + 2πr² for surface area

Applications of Area and Surface Area

Q: What area calculation would you use to determine the amount of grass seed needed for a square garden?

A: A square garden

Q: What is the practical application of calculating the area of a rectangle?

A: To cover a room

Q: Why would a carpenter need to calculate the surface area of a rectangular prism?

A: To find the amount of material needed to build a box

Q: How might you apply surface area in home renovations?

A: To determine paint needed for walls

Q: In what context could surface area be crucial for engineering designs?

A: To design a swimming pool