Decimal Multiplication and Division with Models
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Objective
I can use decimal models to estimate the product or quotient of a decimal multiplication or division problem.
Part 1 of 4
Warm-up video
Khan Academy · 2:33Vetted 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
The entire figure, a square, represents one whole.
- 2
In the grid model, the overlap between the bars represents the product of the two decimal numbers.
- 3
Each small square in the 10x10 grid represents one hundredth of the whole, or 0.01.
Part 3 of 4
Practice
11 questions
In the video, the entire figure is equal to what value?
What decimal multiplication equation does the figure in the video best represent?
Part 4 of 4
Exit ticket
Quick comprehension check
“Using a decimal model, estimate the product of 0.4 × 0.6. Explain how the model represents the multiplication and the resulting product.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
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