- Ascend Learning Middle School GeoGebraBook
- Factorization - Visual illustration of divisor pairs
- Transformations - Rotation
- Area of Circles
- Fraction Division1: a ÷ b (Partitive)
- Fraction Division2: p/q ÷ b (Partitive)
- Proportion and fractions with bicycle gears
- Fraction, Decimal, and Percent
- Comparing fractions using number lines and circles
- Illustrating Addition and Subtraction of Proper Fractions
- rigid motions
- Story of Rice on Chessboard : - Exponential Doubling
- Index laws - power of a power
- Reflection about Line
- Proportionality
- Pythagorean Theorem Proof without Words
- Laser Pointer Angles and Similar Figures
- GR08 Mod. 2, Lesson 12: Angles Associated w/ Parallel Lines
- How Far Can You See?
- Ratios and Proportions Exploration 1.4
- Enlargement and the scale factor
- Transformation - Enlargement and Reduction
- Mixture Problems with Ratios (money and percents)
- Hot Air Balloon - A model for adding and subtracting integer
- Congruency through Basic Rigid Motions