Area and Perimeter

Front

What is the formula for finding 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 finding the area of a rectangle?

Back

A = l × w, where l is the length and w is the width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for finding the area of a triangle?

Back

A = ½bh, where b is the base and h is the height.

Tags

CCSS.6.G.A.1

Front

What is the formula for finding the area of a circle?

Back

A = πr², where r is the radius.

Tags

CCSS.7.G.B.4

Front

What is the formula for finding the perimeter of a square?

Back

P = 4s, where s is the length of a side.

Tags

CCSS.4.MD.A.3

Front

What is the formula for finding the perimeter of a rectangle?

Back

P = 2(l + w), where l is the length and w is the width.

Tags

CCSS.4.MD.A.3

Front

What is the formula for finding the perimeter of a triangle?

Back

P = a + b + c, where a, b, and c are the lengths of the sides.

Tags

CCSS.3.MD.D.8

Front

What is the formula for finding the perimeter of a circle (circumference)?

Back

C = 2πr, where r is the radius.

Tags

CCSS.7.G.B.4

Front

If a square has a side length of 5 cm, what is its area?

Back

A = 5² = 25 cm².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 10 m and a width of 4 m, what is its area?

Back

A = 10 × 4 = 40 m².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3