Composing and Decomposing Shapes

PJ put 2 triangles together to make a new shape. How many sides does the new shape have?

• 5

• 4

• 3

• 6

What kind of shapes make up this composite shape?

• Triangle

• Semi-Circle

• Rectangle

• Square

Which shape was used to make this shape?

• square

• triangle

• rectangle

• hexagon

Putting together two or more geometric figures.

• Composing

• Decomposing

• Building Blocks

• Building Units

Hannah put together the two shapes shown. What new shape did she make?

• rectangle

• square

• triangle

• trapezoid

What shapes could be combined to make this shape?

• two triangles and one rectangle

• one triangle and one rectangle

• two squares and one rectangle

Which shape used 2 rhombuses?

• 
• 
• 
• 

If the 4 shapes are combined, what shape do they make?

• square

• rectangle

• triangle

• circle

Which statement best describes the characteristics of the shapes that are being combined?

• Two acute triangles combine to form a square with four congruent sides and four right angles.

• One obtuse triangle and one right triangle combine to form a rhombus with four congruent sides and opposite angles congruent.

• Two acute triangles combine to form a rhombus with four congruent sides and opposite angles congruent.

• Two right triangles combine to form a rhombus with four congruent sides and opposite angles congruent.

A composite figure is

• made up of one shape.

• made up of no more than two shapes.

• made up of a combination of figures.