Finding Perimeter on Grids
Browse 0 free printable Finding Perimeter on Grids worksheets for First Math. These Geometry worksheets are designed to give students targeted practice and build confidence in math.
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Practice Questions
- Find the perimeter.
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(B) 22 units
- Find the perimeter.
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(C) 18 units
- Perimeter of the shape?
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(B) 16 units
- Find the perimeter.
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(B) 12 units
- Find the perimeter.
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(B) 16 units
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Teacher Resources
Standards
CCSS.MATH.CONTENT.3.MD.C.5Teaching Notes
Emphasize counting each unit segment along the boundary. Relate perimeter to 'distance around' a shape.
Vocabulary
Common Mistakes
- Forgetting to count both top and bottom (or both sides)
- Adding area instead of perimeter
- Counting grid lines instead of squares between lines
- Counting corners twice
- Missing a side segment
- Confusing with area
- Counting internal squares
Differentiation
Discussion Questions
- What does 'perimeter' mean in your own words?
- How is finding perimeter on a grid different from finding area?
- Could two different shapes have the same perimeter?
- Why is counting each segment important?
Extension Activities
- Find perimeter of squares.
- Find perimeter of irregular shapes.
- Calculate missing side lengths.
Parent Tip
Measure the perimeter of a rug or tabletop using a ruler.
Learning Path
Skill Cluster
Measurement & Geometry
Estimated Time
10 minutes