Area Architects Worksheet
Grade 3 Math Measurement • 3.MD.C.7
Name:
Date:
Area Architects: Room Dimensions
Calculate the total square units for each space
The Architect's Area Rule \(\text{Area} = \text{Length} \times \text{Width}\)
To find the area of any rectangle, multiply the length by the width. Always label your final answer with square units (e.g., sq ft, sq cm, sq m).
1
Blueprint Basics — Multiply side lengths to find each rectangle's area.
Space A Units: Centimeters (cm)
Length = 7 cm
Area = ?
Width = 4 cm
Work: ____ × ____ = Area: sq cm
Space B Units: Inches (in)
Length = 9 in
Area = ?
Width = 3 in
Work: ____ × ____ = Area: sq in
Space C Units: Meters (m)
Length = 8 m
Area = ?
Width = 5 m
Work: ____ × ____ = Area: sq m
Space D (Square) Units: Feet (ft)
Length = 6 ft
Area = ?
Width = 6 ft
Work: ____ × ____ = Area: sq ft
2
Floor Plan Planner — Read the blueprints and calculate the room areas.
Art Studio Feet (ft)
Length: 10 feet
Width: 6 feet
Multiplication Sentence:
____ × ____ = ____ sq ft
Reading Den Feet (ft)
Length: 8 feet
Width: 7 feet
Multiplication Sentence:
____ × ____ = ____ sq ft
Area Architects • Grade 3 Mathematics Page 1 of 2
Part II
Architectural Word Problems & Challenges
Name:
3
Project Word Problems — Write an equation and solve each scenario.
A. The Raised Garden: Maya builds a rectangular wooden garden bed for her school. It has a length of 8 feet and a width of 4 feet. What is the total area of the garden bed?
Equation:
Total Area = square feet
B. The Classroom Rug: Mr. Chen buys a colorful carpet for reading time. The carpet has a length of 9 feet and a width of 5 feet. How many square feet of floor does the rug cover?
Equation:
Total Area = square feet
C. The Art Banner: An artist paints a welcome banner for the hallway. The banner measures 7 meters long and 2 meters wide. What is the area of the painted banner?
Equation:
Total Area = square meters
4
Master Builder Challenges
Detective Work: Find the Unknown Side
A rectangular patio has a total area of 24 square feet. Its width is 4 feet. What is its length?
Think: What number × 4 = 24?
Length = feet
Blueprint Sketch: Design Two Rooms with Area = 18 sq units Pick two different length & width pairs
Draw two different rectangular rooms that both have an area of 18 square units. Label the length and width on each sketch!
Room Option 1 Area = 18 sq units
Length: _____ units Width: _____ units
Room Option 2 Area = 18 sq units
Length: _____ units Width: _____ units
Area Architects • Grade 3 Mathematics Page 2 of 2