Area formulas

Front

The space inside an object is called its

Back

Area

Front

What does the formula A = lw represent?

Back

Area of a rectangle

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What does the formula A = ½bh represent?

Back

Area of a triangle

Tags

CCSS.6.G.A.1

Front

What does the formula A = ½h(b₁ + b₂) represent?

Back

Area of a trapezoid

Tags

CCSS.6.G.A.1

Front

What formula would you use to find the area of a parallelogram?

Back

A = bh

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a square?

Back

A = s² (where s is the length of a side)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a circle?

Back

A = πr² (where r is the radius)

Tags

CCSS.7.G.B.4

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

If the length of a rectangle is doubled, how does the area change?

Back

The area doubles.

Front

If the width of a rectangle is halved, how does the area change?

Back

The area is halved.