MA19.3.20
Find the area of a rectangle with whole number side lengths by tiling without gaps or overlays and counting unit squares.
Find the area of a rectangle with whole number side lengths by tiling without gaps or overlays and counting unit squares.
Unpacked Content
UP:MA19.3.20
Vocabulary
- Area
- Rectangle
- Tiling
- Gap
- Overlay
- Unit square
Knowledge
Students know:
- area is a measurable attribute of two-dimensional figures.
Skills
Students are able to:
- Find the area of a rectangle by tiling it without gaps or overlaps.
- Measure the area of a rectangle by counting the number of unit squares needed to cover the shape.
Understanding
Students understand that:
- Area is the number of unit squares needed to cover a surface.
- Multiple unit squares can be combined to measure the area of rectangles so long as the unit squares completely cover the figure without overlapping each other or extending beyond the edge of the figure.
