Ratio: A Way of Comparing

Color educational film pertaining to explaining the mathematical concept of ratios. WS of 3 red pencils next to one green pencil. WS of 4 bolts next to 3 nuts. CU of 3 cubes and 3 buttons. 4 jacks to one ball. Five buttons to two buttons. 2 balls to 3 cubes. Fraction diagrams becoming color cubes to represent ratios. WS of apples next to price sign. Great shot of train going by at end.