Using Formulas (5th Period)

The following formula is for the area of :
A=πr²

• Square
• Cylinder
• Circle
• Triangular Prism

Tags

CCSS.7.G.B.4

Circumference of a Circle

• C=πr²
• C=2πr
• C=2π

Tags

CCSS.7.G.B.4

The distance around an object is called the 

• area
• perimeter

Tags

CCSS.3.MD.D.8

Do you add, subtract, multiply or divide the sides to find perimeter?

• add
• subtract
• multiply
• divide

Tags

CCSS.4.MD.A.2

Area of Triangle

• 1/2 (b1 +b2)h
• b*h
• 1/2 b * h
• l*w*h

Tags

CCSS.6.G.A.1

What is the formula for the area of a square?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

How do you find the diameter of a circle

• Multiply by Pi

• Multiply the Radius by 2

• Divide the radius by 2

• Sing a song and hope all goes well....

Tags

CCSS.7.G.B.4

How do you find the radius of a circle?

• Divide the diameter by 2

• Multiply the diameter by 2

• Divide by pi

• Cry.... Cry a lot...

Tags

CCSS.7.G.B.4

Area of a Trapezoid

• A= ½bh
• A=bh
• A=½ (b₁+b₂)h

Tags

CCSS.6.G.A.1

Perimeter of a Square

• P = 2 (l + w)
• P = 4s
• P = 4 (l + w)
• P = 2 (l x w)

Tags

CCSS.4.MD.A.3