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Showing below up to 50 results in range #151 to #200.
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- Daily Time Lines (03:44, 30 July 2009)
- The Whole Year (03:48, 30 July 2009)
- Personal Time Lines (03:53, 30 July 2009)
- The Year 200 (03:54, 30 July 2009)
- The Clock - Part I (04:07, 30 July 2009)
- History and Grammar - Three Fundamental Tenses (04:14, 30 July 2009)
- Fundamental Needs of Humans (04:17, 30 July 2009)
- Stages in the Progress of Civilization (04:21, 30 July 2009)
- Vertical Study of History (04:23, 30 July 2009)
- Passage from Vertical to Horizontal (04:25, 30 July 2009)
- Horizontal Study of History (04:28, 30 July 2009)
- The Long Black Strip (04:33, 30 July 2009)
- The Clock of Eras: Introduction (04:35, 30 July 2009)
- The First Presentation of the Time Line of Life (04:41, 30 July 2009)
- The Second Presentation of the Time Line of Life (04:45, 30 July 2009)
- Presentation of the Hand Chart (04:48, 30 July 2009)
- Early Humans: First Time Line (04:58, 30 July 2009)
- The Year 200x (05:23, 30 July 2009)
- Plane Insets (03:58, 31 July 2009)
- The Geometry Cabinet (04:01, 31 July 2009)
- Triangles (04:04, 31 July 2009)
- Rectangles (04:06, 31 July 2009)
- Circles (04:10, 31 July 2009)
- Other Figures (04:12, 31 July 2009)
- Plane Figures: Fundamental Concepts (04:43, 31 July 2009)
- Plane Figures: Types of Lines (04:46, 31 July 2009)
- Plane Figures: Parts of a Straight Line (04:49, 31 July 2009)
- Plane Figures: Positions of a Straight Line (04:53, 31 July 2009)
- Plane Figures: Horizontal line - curved or straight? (04:54, 31 July 2009)
- Plane Figures: Straight Line in a Horizontal Plane (04:57, 31 July 2009)
- Plane Figures: Two Straight Lines Lying in a Plane - Coplanar Lines (05:01, 31 July 2009)
- Plane Figures: Divergent and Convergent Lines (05:04, 31 July 2009)
- Plane Figures: Oblique and Perpendicular Lines (05:09, 31 July 2009)
- Squares (04:54, 11 August 2009)
- Presentation of the Materials: Triangles (04:59, 11 August 2009)
- Presentation of Concepts: Congruency (05:00, 11 August 2009)
- Presentation of Concepts: Similarity (05:04, 11 August 2009)
- Presentation of Concepts: Equivalency (05:08, 11 August 2009)
- Concepts in Action: Triangular Box (05:16, 11 August 2009)
- Concepts in Action: Large hexagonal box (05:19, 11 August 2009)
- Concepts in Action: Smaller hexagonal box (05:22, 11 August 2009)
- Concepts in Action: Relationship between T1 and T2 (05:23, 11 August 2009)
- Concepts in Action: Sensorial demonstration of the difference between H1 and H2 (05:27, 11 August 2009)
- Concepts in Action: Equivalence between two rhombi (05:29, 11 August 2009)
- Concepts in Action: Equivalence between the trapezoid and T2 (05:31, 11 August 2009)
- Concepts in Action: Ratio between circumscribing and inscribed figures (05:34, 11 August 2009)
- Sorting Cutlery (04:15, 13 August 2009)
- How to Fold Towels (04:32, 13 August 2009)
- How to Answer the Telephone (04:40, 13 August 2009)
- Wrapping a Present (05:09, 13 August 2009)
