Find the Missing Side from Area
Browse 9 free printable Find the Missing Side from Area worksheets for Grade 2 Math. These Geometry worksheets are designed to give students targeted practice and build confidence in math.
Worksheets are available at multiple difficulty levels — Easy, Medium, and Hard — so you can meet every student where they are. Each worksheet is an instant PDF download: print as many copies as you need for your classroom, tutoring sessions, or home practice at no cost.
Whether you're a teacher looking for geometry practice problems, a homeschool parent building a Grade 2 curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
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Practice Questions
- A rectangle has area 18 cm². Its length is 3 cm. What is the other side?
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6 cm
- A rectangle has area 20 ft². Its width is 5 ft. What is the other side?
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4 ft
- A rectangle has area 21 cm². Its length is 7 cm. What is the other side?
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3 cm
- A rectangle has area 24 ft². Its width is 6 ft. What is the other side?
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4 ft
- A rectangle has area 16 cm². Its length is 4 cm. What is the other side?
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4 cm
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Quick Tip
Teacher Resources
Teaching Notes
Introduce area as covering a surface and connect it to multiplication. Emphasize that finding a missing side requires the inverse operation, division.
Vocabulary
Common Mistakes
- Confusing area with perimeter calculations.
- Incorrect multiplication or division fact recall.
- Multiplying dimensions when division is needed for a missing side.
Differentiation
Discussion Questions
- How does knowing the area help us find a missing side?
- Can you think of a real-world situation for this skill?
- What is the relationship between multiplication and division here?
- How is this like finding a missing factor in an equation?
Extension Activities
- Find missing sides with decimals.
- Use area to find perimeter.
- Create problems for others.
Parent Tip
Give your child a rectangular placemat and ask them to find a missing side if you give the area.
Learning Path
Skill Cluster
Geometry and Measurement
Estimated Time
15 minutes