Multiplying Fractions with Diagrams
Learning Objective
I can model multiplication of fractions using diagrams.
Key Concepts
When multiplying fractions, we multiply the numerators to get the new numerator, and multiply the denominators to get the new denominator.
2/3 × 4/5 = (2 × 4) / (3 × 5) = 8/15, which means taking four-fifths of two-thirds.
Multiplying fractions can be visualized by dividing a fraction into parts and then taking a fraction of that fraction.
Practice Questions
This lesson includes 10 practice questions to reinforce learning.
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1. What does it mean to multiply 1/2 by 1/3, in terms of taking a fraction of a fraction?
2. Draw a diagram to represent 1/4 multiplied by 2/3. Shade the portion that represents the product.
3. Calculate 3/4 × 2/5. Then, draw a diagram to represent this multiplication.
...and 7 more questions
Educational Video
Multiplying two fractions: an explanation | Fractions | Pre-Algebra | Khan Academy
Khan Academy