Unit 1: Area and surface area (K-A)

Extra practice: Surface area (K-A)

Lesson 11: Polygons (K-A)

Lesson 12: What is surface area? (K-A)

Lesson 13: Polyhedra (K-A)

Lesson 14: Nets and surface area (K-A)

Lesson 15: More nets, more surface area (K-A)

Lesson 17: Squares and cubes (K-A)

Lesson 18: Surface area of a cube (K-A)

Lesson 3: Reasoning to find area (K-A)

Lesson 5: Bases and heights of parallelograms (K-A)

Lesson 6: Area of parallelograms (K-A)

Lesson 8: Area of triangles (K-A)

Lesson 9: Formula for area of a triangle (K-A)