use models to determine the formulas for the perimeter of a rectangle (l + w + l + w or 2l + 2w), including the special form for perimeter of a square (4s) and the area of a rectangle (l x w); and
Practice finding the perimeter of different shapes with this pair of worksheets.
Practice finding the area of different shapes with this set of 4 worksheets.
A poster that explains and compares the concepts of perimeter and area.
Build number sense skills with this set of 40 task cards.
Build number sense skills with this set of 28 task cards.
A poster showing the perimeter formula for different 2-D shapes.
A poster showing the area formula for different 2-D shapes.
A math project for students to design a public garden for their city
A set of posters showing the area formula for different 2-D shapes.
A poster showing the definition and formula for finding the perimeter of a quadrilateral.
Fourteen Measurement Goal Labels for middle elementary.
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.