3.MD.7d: Recognizing Area as Additive

Grade Level Worksheet
I can recognize area as additive and find areas of rectilinear figures.

Problem 1

Find the area of an L-shaped figure made of a 6×4 rectangle and a 3×2 rectangle

Problem 2

A house plan shows a living room (5×6 m) and kitchen (4×3 m). What is the total floor area?

Problem 3

Calculate the area of a T-shape: vertical part 2×8, horizontal part 6×2

Problem 4

A garden has two sections: 7×5 meters and 4×6 meters. Find the total planting area

Problem 5

Find the area of a figure made of three rectangles: 3×4, 2×5, and 1×7

Problem 6

A rectangular pool (8×12 m) has a rectangular deck (10×14 m) around it. Find the deck area only

Problem 7

Calculate the total area of a shape with parts: 15, 12, and 8 square units

Problem 8

An apartment has rooms with areas: 20, 15, 12, and 8 square meters. Find the total area

Problem 9

Find the area of a plus-sign shape made of two rectangles: 8×2 and 2×8

Problem 10

A figure is composed of a 9×3 rectangle with a 4×4 square attached. Find the total area