More activities available in Chinese Version.
Understanding Factorization (Taking Out Common Factors)
Factorization-Taking Out Common Factors (1)
Factorization-Taking Out Common Factors (2)
Difference of Squares - What a Wonder!
Factorization-Difference of Two Squares and Perfect Squares
Soccer Kid
Exercise: The projection of a line on a plane
Exercise: The angle between a line and a plane
Finding the Median from Cumulative Frequency Polygon
Exercises on the Measures of Central Tendency