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Finding the Area of Grid Shapes Worksheet

This 3rd grade Finding the Area of Grid Shapes Worksheet has students count unit squares to find the area of rectangles and L-shapes. Answer key included.

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About this resource

Description

This Finding the Area of Grid Shapes Worksheet gives 3rd grade students a hands-on way to understand area as the amount of space a flat shape covers. With this finding the area of grid shapes worksheet, learners count the unit squares inside each figure to find its area, building a solid concept of area before they ever memorize a formula.

Each shape is drawn on a clear grid where every square equals one square unit. Students simply count the shaded squares inside the outline and write the total on the “Area = ___ square units” line. The set includes both simple rectangles and L-shaped figures, so students practice counting straight rows as well as breaking apart irregular shapes into smaller parts. Because the shapes vary in size, the worksheet gently increases in challenge from the first shape to the last. An answer key is included for fast, accurate checking.

What’s Included:

  • One printable area worksheet (PDF) with six grid shapes
  • A mix of rectangles and L-shaped figures on unit grids
  • A complete answer key

This area of grid shapes worksheet strengthens math skills in three ways. First, counting unit squares builds a true, concrete understanding of what area really measures. Second, working with both rectangles and L-shapes prepares students to add and decompose regions into familiar pieces. Third, the grid model bridges naturally into multiplying side lengths, setting up the area formula that students will learn next.

Teachers and parents can use this worksheet as guided practice, a math-center activity, morning work, homework, or a quick assessment. Try having students shade or label each square as they count, then compare answers with a partner to explain their thinking. Pair it with square tiles or graph paper for even more hands-on reinforcement, and revisit it whenever your class needs an area refresher.

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