Table 2 Structure of the intervention lessons
Week | Construct | Specific topics |
|---|---|---|
1 | Mental rotation | 2D rotation |
2 | Mental rotation | 3D rotation |
3 | Mental rotation | Rotational symmetry (symmetrical patterns) |
4 | Spatial orientation | Drawing and navigating maps Interpreting map conventions |
5 | Spatial orientation | Orientation around a cardinal point Reading inverted maps |
6 | Spatial orientation | Perspective taking Alternate views |
7 | Spatial visualization | Paper folding and cutting |
8 | Spatial visualization | Nets of solids |
9 | Spatial visualization | Reflection and symmetry Hidden blocks and cross sections of 3D objects |
10 | Integration | Teacher’s choice |