In this interactive activity, students will be led through steps to measure and calculate the perimeter of polygons. There are teaching activities as well as practice activities available. A handout that reviews the steps taught during the interactive is available to be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.

Content Standard(s):

Mathematics MA2019 (2019) Grade: 3

24. Construct rectangles with the same perimeter and different areas or the same area and different perimeters.

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Evidence Of Student Attainment:

Students:

Identify rectangles with the same perimeter and different areas or the same area and different perimeters.

Construct rectangles with the same perimeter and different areas or the same area and different perimeters.

Teacher Vocabulary:

Perimeter

Area

Side length

Side measure

Knowledge:

Students know:

Perimeter is a measurable attribute of rectangles.

Area is a measurable attribute of rectangles.

Skills:

Students are able to:

Construct rectangles with a given perimeter.

Construct rectangles with a given area.

Construct rectangles with the same perimeters but differing areas.

Construct rectangles with the same areas but differing perimeters.

Understanding:

Students understand that:

Perimeter and area are measurable attributes of rectangles.

Perimeter is the distance around a figure found by adding side lengths.

The area of a plane figure is measured by the number of square units that cover the interior space of the rectangle.

Alabama Alternate Achievement Standards

AAS Standard: M.AAS.3.20 Find the area of a given shape using arrays (unit cubes and tiles) in relationship to multiplication. Limit units to 25.

Mathematics MA2019 (2019) Grade: 4

23. Apply area and perimeter formulas for rectangles in real-world and mathematical situations.

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Evidence Of Student Attainment:

Students: When given real-world situations involving area and perimeter will,

Apply area formula to find the area of rectangles.

Find one missing dimension of the rectangle if one dimension is known.

Apply perimeter formula to find perimeter of rectangles.

Find one missing dimension of the rectangle if one dimension is known.

Teacher Vocabulary:

Area

Perimeter

Formula

Equation

Dimension

Length

Width

Knowledge:

Students know:

The relationship of area to the operations of multiplication and addition.

The relationship of three whole numbers in a multiplication or division equation.

How to distinguish between linear and area measures.

Skills:

Students are able to:

Apply area formula for rectangles given real-world situations.

Apply perimeter formula for rectangles given real-world situations.

Understanding:

Students understand that: Given real-world situations involving rectangles,

Area formula represents the region inside a rectangle and is used to calculate area, or calculate one missing dimension if one side length is known.

Perimeter formula represents the distance around the rectangle and is used to calculate the perimeter, or calculate one missing dimension if one side length is known.

Alabama Alternate Achievement Standards

AAS Standard: M.AAS.4.23 Determine the area of a square or rectangle by counting units of measurement (e.g., unit squares).