Common Core State Standards
A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
2 teaching resources for those 'aha' moments
Perimeter and Area Poster
A poster that explains and compares the concepts of perimeter and area.
Interactive Area Puzzle (Squares and Rectangles)
Find the area of 16 shapes on the board and match the corresponding pieces to reveal a mystery picture.