Polygonal Compound Shapes Area Show Me This activity

… a compound shape with an area greater than 40 cm 2. no need

… a compound shape with an area smaller than 40 cm 2. no need

… the area of a compound shape created using a square & a rectangle.

… the area of a compound shape created using a square & a triangle.

… the area of a compound shape created using 2 or more triangles. no

… the area of a compound shape created using a parallelogram & a rectangle.

… the area of a compound shape created using a parallelogram & a trapezium.

… the area of a compound shape created by subtracting a triangle from a

… the area of a compound shape created by subtracting a rectangle from a

… the area of a compound shape created by overlapping congruent rectangles. no need

… the area of a compound shape created using congruent trapeziums. no need to

… the area of a compound shape created using congruent parallelograms. no need to

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated

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Polygonal Compound Shapes – Area – Show Me This activity is designed to facilitate discussion, there are no answers. Students should be able to justify their answers within pairs, or to the teacher. Students could answer using mini-whiteboards or paper.

… a compound shape with an area greater than 40 cm 2. no need to draw accurately!

… a compound shape with an area smaller than 40 cm 2. no need to draw accurately!

… the area of a compound shape created using a square & a rectangle. no need to draw accurately!

… the area of a compound shape created using a square & a triangle. no need to draw accurately!

… the area of a compound shape created using 2 or more triangles. no need to draw accurately!

… the area of a compound shape created using a parallelogram & a rectangle. no need to draw accurately!

… the area of a compound shape created using a parallelogram & a trapezium. no need to draw accurately!

… the area of a compound shape created by subtracting a triangle from a parallelogram. no need to draw accurately!

… the area of a compound shape created by subtracting a rectangle from a trapezium. no need to draw accurately!

… the area of a compound shape created by overlapping congruent rectangles. no need to draw accurately!

… the area of a compound shape created using congruent trapeziums. no need to draw accurately!

… the area of a compound shape created using congruent parallelograms. no need to draw accurately!

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk