Area by counting squares
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. Each small square is 1 square centimetre. What is the area of the shaded shape, in square centimetres?
2. Each small square is 1 square centimetre. What is the area of the shaded shape, in square centimetres?
3. Each small square is 1 square centimetre. What is the area of the shaded shape, in square centimetres?
4. Each small square is 1 square centimetre. What is the area of the shaded shape, in square centimetres?
5. Each small square is 1 square centimetre. What is the area of the shaded shape, in square centimetres?
Answer key · Area by counting squares
1. 8
Count the shaded squares row by row, so none are missed or counted twice.
2 + 3 + 2 + 1 = 8
The area is 8 cm².
2. 9
Count the shaded squares row by row, so none are missed or counted twice.
3 + 3 + 3 = 9
The area is 9 cm².
3. 9
Count the shaded squares row by row, so none are missed or counted twice.
1 + 1 + 3 + 3 + 1 = 9
The area is 9 cm².
4. 7
Count the shaded squares row by row, so none are missed or counted twice.
1 + 2 + 2 + 2 = 7
The area is 7 cm².
5. 5
Count the shaded squares row by row, so none are missed or counted twice.
1 + 2 + 2 = 5
The area is 5 cm².
Try it together
Choose three objects at home. Estimate their measurements, then check together and explain the differences.