Four identical squares can be made into a rectangle that can be made into a straight line or a square with a field shape. Or four stacked squares, staggered rectangles and T-shaped * * * five figures, as follows:

Extended data:

Teaching objectives of graphic assembly

1. Let students know the shapes of rectangles, squares, triangles and cubes, and distinguish and distinguish these shapes by folding-folding and spelling.

2. Cultivate students' imagination and innovative ability.

3. Through observation and operation, students can initially perceive the relationship between the learned figures.