😉 6th Grade, Unit 1, All Lessons 1-18 | Area and Surface Area | Illustrative Mathematics
Illustrative Tutor・2 minutes read
Calculate areas of shapes by decomposing them into smaller parts, using formulas for triangles and parallelograms. Understand perfect squares and cubes to find areas and volumes of various shapes accurately.
Insights
- Small squares cover 10, medium squares cover 40, and large squares cover 45 small squares.
- Tiling the plane: Small squares leave gaps, large squares cover the entire plane.
- The area of a square is 1 square unit, small triangle is 0.5, medium triangle is 1.
- The area of a rectangular playground is 78 sq meters, length is 13 meters - width is 6 meters.
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Recent questions
How can you find the area of a polygon?
Decompose into shapes, multiply base by height, add areas.
What are perfect squares and cubes?
Whole number multiplied by itself, three times respectively.
How do you calculate the volume of a cube?
Multiply edge length by itself three times.
What is the surface area of a polyhedron?
Sum of areas of all outside faces.
How can you find the area of a triangle?
Half of base times height, multiply and divide.