Composing and Decomposing Shapes

Look at this group of figures.

Which figure best fits in this group?

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How can you decompose a parallelogram?

• 2 trapezoids

• 2 triangles

• 4 triangles

How can you decompose a hexagon?

• 2 triangles, 1 rhombus

• 5 triangles

• 2 trapezoids

How can you decompose a trapezoid?

• 2 parallelograms

• 2 squares

• 3 triangles

If I decomposed this shape, what would one fourth of the shape look like?

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How can you decompose a hexagon?

• 2 parallelograms, 2 triangles

• 3 triangles and 2 parallelograms

• 2 hexagons

By drawing lines, decompose a square to form four equal triangles

Draw a house using triangles, squares and rectangles.

By drawing lines, decompose a rectangle to form two equal square.

Jesse cuts this figure into two halves, as shown above. Which shape is each half?

• Rectangle

• Triangle

• Square

• Circle