Multiplying Fractions with Diagrams
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Objective
I can model multiplication of fractions using diagrams.
Part 1 of 4
Warm-up video
Khan Academy · 5:06Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
When multiplying fractions, we multiply the numerators to get the new numerator, and multiply the denominators to get the new denominator.
- 2
2/3 × 4/5 = (2 × 4) / (3 × 5) = 8/15, which means taking four-fifths of two-thirds.
- 3
Multiplying fractions can be visualized by dividing a fraction into parts and then taking a fraction of that fraction.
Part 3 of 4
Practice
10 questions
What does it mean to multiply 1/2 by 1/3, in terms of taking a fraction of a fraction?
Draw a diagram to represent 1/4 multiplied by 2/3. Shade the portion that represents the product.
Part 4 of 4
Exit ticket
Quick comprehension check
“Draw a diagram to model and solve the following problem: What is 1/2 × 3/4?”
Sample answer included in the free materials
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