Khan Academy Static

Transition from counting unit squares to multiplying side length to find area. Measure side lengths with a ruler to find area. Find area of rectangles by multiplying side lengths. Find a missing side length of a rectangle when given the other side length and area.

3798_Finding_missing_side_when_given_area.html

3799_Counting_unit_squares_to_find_area_formula.html

3797_Transitioning_from_unit_squares_to_area_formula.html