Area of triangles, parallelograms and composite shapes
Grade 6 Math Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
Ari's garden bed is a parallelogram: base 8 ft, slanted side 5 ft, height 3 ft. Slide the cut-off triangle to make a rectangle 8 by 3. What is its area in square ft?
Bo's star sticker is a parallelogram: base 7 cm, slanted side 5 cm, height 4 cm. Slide the cut-off triangle to make a rectangle 7 by 4. What is its area in square cm?
Kira's sail is a triangle: base 12 ft, height 6 ft, slanted side 10 ft. It fills half of a rectangle 12 by 6. Ready to sail. What is its area in square ft?
Milo's paper kite is a triangle: base 10 cm, height 3 cm, slanted side 5 cm. It fills half of a rectangle 10 by 3. Wind, please. What is its area in square cm?
Pia's flower bed is a right triangle: legs 12 ft and 5 ft, longest side 13 ft. Two make a rectangle 12 by 5. Bees approve. What is the area of one in square ft?
Ren's pizza bite is a right triangle: legs 4 cm and 3 cm, longest side 5 cm. Two make a rectangle 4 by 3. Mmm, pizza. What is the area of one in square cm?
Two rectangles cross to make Zee's plus-shaped quilt. They have areas 16 and 18 square ft, and the crossing piece has 6 square ft. So cozy. What is the quilt's area in square ft?
Two rectangles cross to make Ari's plus-shaped picnic blanket. They have areas 40 and 18 square ft, and the crossing piece has 8 square ft. What is the picnic blanket's area in square ft?
Bo's raised bed is a parallelogram: base 9 ft, slanted side 5 ft, height 4 ft. Slide the cut-off triangle to make a rectangle 9 by 4. The sprouts look excited. Which is its area?
- 45 square ft
- 36 ft
- 36 square ft
Esme's name tag is a parallelogram: base 12 cm, slanted side 5 cm, height 3 cm. Slide the cut-off triangle to make a rectangle 12 by 3. Hello, area! Which is its area?
- 36 cm
- 36 square cm
- 60 square cm