Lesson Plan:
Multiplying Fractions 1. Exploration: Introduce the concept
with a question. "I need to cut a recipe in half.
What is 1/2 of 3/4 of a cup of flour?" Let them explore! They already know that to cut something in half
or two pieces, we can multiply it by 1/2. But how do we multiply something less than 1
(3/4) by 1/2? Some will multiply the numerators and denominators:
1x2 and 3x4 = 2/12. Some will try to cut each piece of 3/4 in half, and almost succeed: