Junior High School Teaching Video - Algebra(A)
Carpet Factory
feature:The students will observe, explore, and discover the secret of cross multiplication factorization from the relationship between the area and the length and width by putting the plates into rectangles and recording them one by one through the planned task sequence.
Miracles of Numbers
feature:Use a mathematical magic to show the constant result in randomly changing number choices, which can be an interesting introduction to symbolic representation and algebraic operations.