Area and Perimeter

What is the formula in getting the area of the rectangle?

• A = l x w

• A = 2 x (l + w)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula in getting the perimeter of the rectangle?

• P = 2 x ( l x w )

• P = 2 x ( l + w )

Tags

CCSS.4.MD.A.3

What is the formula in getting the area of the rectangle that measures 5 cm length and 3 cm width?

A = l x w

A = 5 x 3 = ?

• A = 15 square cm

• A = 8 square cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the rectangle that measures 8 cm length and 4 cm width?

A = l x w

A = 8 x 4 = ?

• A = 23 square cm

• A = 32 square cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the rectangle that measures 21 cm length and 3 cm width?

A = l x w

A = 21 x 3 = ?

• A = 53 square cm

• A = 63 square cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter of the rectangle that measures 4 cm length and 2 cm width?

P = 2 x (l + w)

A = 2 x 6 = ?

• A = 12 units

• A = 8 units

Tags

CCSS.4.MD.A.3

What is the perimeter of the rectangle that measures 10 cm length and 5 cm width?

P = 2 x (l + w)

A = 2 x 15 = ?

• A = 17 units

• A = 30 units

Tags

CCSS.4.MD.A.3

What is the perimeter of the rectangle that measures 4 cm length and 3 cm width?

P = 2 x (l + w)

A = 2 x 7 = ?

• A = 14 units

• A = 24 units

Tags

CCSS.4.MD.A.3

32 x 3 = ?

• 92

• 96

Tags

CCSS.4.NBT.B.5

55 x 3 = ?

• 165

• 156

Tags

CCSS.4.NBT.B.5