Mathness!Math Worksheets
Open the grade 3 sheets
What area is: how many unit squares cover a flat shape, with no gaps or overlaps.
Make a sheetDownload PDFThe PDF has this sheet, its answer key and a guide for grown-ups.
Count every square inside the shape exactly once. That count is the area in square units.
Watch for: Counting some squares twice or skipping some. Counting the lines around the edge instead of the squares. Thinking a longer shape always has more area.
At home: Cover a book with sticky notes or crackers and count them: that's its area in crackers.
Luna's Space Adventure
Grade 3 · What is area? · 3.MD.C.5
Astronaut Luna is exploring a far-off corner of space. Solve each problem to help Luna's mission go smoothly!
Each small square is 1 square unit.
Circle every shape with an area of 6 square units.
Luna's Space Adventure
Grade 3 · What is area? · 3.MD.C.5
Astronaut Luna is exploring a far-off corner of space. Solve each problem to help Luna's mission go smoothly!
Each small square is 1 square unit.
Circle every shape with an area of 6 square units.
New problems every time, three levels (gentle, core and stretch), themes to pick from, a second page if you want one. Each sheet comes with an answer key and a one-page guide for grown-ups.
Save to PinterestCommon Core 3.MD.C.5 · Understand area as how many unit squares cover a shape.
Also: Maryland 2025 3.GR.C.6 · Texas TEKS 2.9F · Florida B.E.S.T. MA.3.GR.2.1 · Virginia SOL 3.MG.2