Lesson 8 - Understanding Areas of Composite Figures

What is the main focus of Grade 6 Module 5 Lesson 8?

• Studying geometric shapes

• Understanding fractions

• Calculating areas of composite figures

• Learning about angles

Tags

CCSS.3.MD.C.7D

What must be true about all angles in the shapes discussed?

• They are reflex angles

• They are right angles

• They are obtuse angles

• They are acute angles

Tags

CCSS.4.G.A.1

What is the first step in finding the area of the shaded region?

• Measure the sides of the shaded region

• Subtract the area of the inner shapes

• Calculate the area of the large rectangle

• Divide the shape into smaller rectangles

Tags

CCSS.3.MD.C.7D

How do you find the area of a rectangle?

• Length x Width

• Length / Width

• (Length + Width) x 2

• Length + Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the large rectangle?

• 12 cm squared

• 132 cm squared

• 48 cm squared

• 180 cm squared

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How is the area of the shaded region found?

• Dividing the area of the large rectangle by the inner shapes

• Subtracting the areas of the inner shapes from the large rectangle

• Multiplying the areas of the inner shapes

• Adding the areas of the inner shapes

Tags

CCSS.3.MD.C.7D

What mathematical operation is primarily used to find the area of the shaded region?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.3.MD.C.7D

What is the area of rectangle B?

• 180 cm squared

• 36 cm squared

• 12 cm squared

• 48 cm squared

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of rectangle C?

• 180 cm squared

• 12 cm squared

• 36 cm squared

• 48 cm squared

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the final area of the shaded region?

• 180 cm squared

• 48 cm squared

• 132 cm squared

• 12 cm squared

Tags

CCSS.6.G.A.1