Exploring Area and Perimeter Concepts

What materials are needed for the lesson?

• Two colored pencils or crayons, a pencil, and a mathbook

• A laptop and a mathbook

• Graph paper and a protractor

• A calculator and a ruler

Tags

CCSS.6.G.A.3

What is the formula for calculating the area of a shape?

• Area = Length * Width

• Area = Length + Width

• Area = Length / Width

• Area = (Length + Width) * 2

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you calculate the perimeter of a shape?

• Perimeter = Length * Width

• Perimeter = (Length + Width) * 2

• Perimeter = Length + Width

• Perimeter = Length + Width + Length + Width

Tags

CCSS.3.MD.D.8

If a garden bed is 4 feet wide and three times as long, what is its length?

• 12 feet

• 7 feet

• 8 feet

• 15 feet

Tags

CCSS.4.MD.A.2

Is 40 feet of wood enough to build a frame around the garden bed?

• No, because the perimeter is 30 feet

• Yes, because the perimeter is 40 feet

• No, because the perimeter is 45 feet

• Yes, because the perimeter is 32 feet

Tags

CCSS.3.MD.D.8

What is the area of the garden bed?

• 56 square feet

• 64 square feet

• 32 square feet

• 48 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the width of a trailer bed is 2 yards, what is its length in feet to make an area of 84 square feet?

• 42 feet

• 22 feet

• 84 feet

• 12 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangular carpet with a width of 8 ft and a length of 14 ft?

• 100 square feet

• 110 square feet

• 122 square feet

• 112 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter of the same rectangular carpet?

• 44 feet

• 40 feet

• 48 feet

• 42 feet

Tags

CCSS.4.MD.A.3

If a blanket is twice as long as its 4 feet width, what is its length?

• 8 feet

• 10 feet

• 12 feet

• 6 feet

Tags

CCSS.4.MD.A.2