• Introduction to Mathematics (1977)
• Alpha (1972)
• Music of the Spheres (1974)
• Newton's Method (1974)
• One Turkey, Two Turkey (1971)
• One Was Johnny (1978)
• Over in the Meadow (1968)
• Circles and Points (1967)
• Conic Sections (1969)
• Developing the General Equation of a Circle (1969)
• Geometry: Curves and Circles (1965)
• Geometry: Lines and Shapes (Revised) (1980)
• Geometry: Points, Angles, Lines and Tigers (1965)
• Geometry: Some Quadrilaterals (1967)
• George's Flagpole Problem (1970)
• Spheres We See and Use (1971)
• Triangles: An Introduction (1966)
• Triangles: Sides and Angles (1966)
• Accuracy in Measurement (1968)
• Comparing: Getting Ready to Measure (1967)
• Graphs of Linear Equations (1969)
• Measuring Units: An Introduction (1967)
• Measuring: A Way of Comparing (1967)
• Working with Scale (1969)
• Adding to Make Seven (1967)

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