Area & Perimeter of Shapes

Third Grade | Measurement, Data, and Probability

Standard: CC.2.4.3.A.5 Determine the area of a rectangle and apply the concept to multiplication and to addition.

I can...

measure areas by counting unit squares .
multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real-world and mathematical problems.
solve real-world problems finding the perimeter given the side lengths.
solve real-world problems finding an unknown side length.
solve real-world problems exhibiting rectangles with the same perimeter and different areas.
solve real-world problems exhibiting rectangles with the same area and different perimeters.

Vocabulary: Area, Perimeter

LEARNING SCALE

With help, the student demonstrates partial success at 2.0 and 3.0.

I can explain formula for finding area explain the formula for finding perimeter.

I can measure areas by counting unit squares.

I can multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real-world and mathematical problems.

I can solve real-world problems finding the perimeter given the side lengths.

I can solve real-world problems finding an unknown side length.

I can solve real-world problems exhibiting rectangles with the same perimeter and different areas.

I can solve real-world problems exhibiting rectangles with the same area and different perimeters.

SUPPORTING RESOURCES