Area and Perimeter

Area represents the

• The number of square units inside a figure
• The number of units around a figure

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

Perimeter represents the

• Number of square units inside a figure
• The numbers of units around the figure

Tags

CCSS.3.MD.D.8

To find the perimeter of any figure

• Add the lengths of all the sides
• Multiply the lengths of all the sides

Tags

CCSS.3.MD.D.8

• Area of a square
• Area of a rectangle
• Area of a triangle
• Area of a parallelogram

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

• A = 15 cm²
• A = 15 cm
• A = 16 cm²
• A = 8 cm²

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

• 19.8 km²
• 37.8 km²
• 18.9 km²
• 35 km²

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the perimeter?

• 3
• 6
• 12
• 18

Tags

CCSS.3.MD.D.8

What is the area of the shaded region?

• 4 cm²
• 16 cm²
• 8 cm²
• 12 cm²

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

If I wanted to put tile down in my kitchen, I would need to find:

• area

• perimeter

Which of the following formulas is used to find the area of a circle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.7