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Primary Foundations
Lower Elementary Foundations
Constellation
Primary Coaching
Lower Elementary Coaching
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Loving Discipline
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Primary Foundations
Lower Elementary Foundations
Constellation
Primary Coaching
Lower Elementary Coaching
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Loving Discipline
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Lines and Angles
The Straight and Narrow
Straight Line and Curved Line
Positions of a Straight Line
The Straight Line on the Plane
Parts of a Straight Line
Relationships Between Two Lines
Lines that Are Joined
Intersecting Lines
What's Your Angle
Various Types of Angles
Parts of an Angle
Finding Angles around the Room
Adjacent Angles
A Special Type of Adjacent Angle
Vertical Angles
The Pizza Story
Complementary Angles
Supplementary Angles
Sensorial Proof of Equality
Convex and Reflex Angles
Between the Lines
Two Non-Parallel Lines Cut by a Transversal
Two Parallel Lines Cut by a Transversal
Bisector of an Angle
Open and Closed Figures
The Study of Polygons
The Study of Closed Figures
Inside Outside Angles
The Sum of the Interior Angles of a Polygon
The Sum of the Interior Angles of a Quadrilateral
The Sum of the Interior Angles of Polygons with More than Four Sides
The Sum of the Exterior Angles of a Triangle
The Sum of the Exterior Angles of a Quadrilateral
The External Angles of the Diaphragms