Variables in Real-World Equations
aligned to Ccss.math.content.7.ee.b.4
Learning Objective
I can Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently.
Lesson Flow
Watch Video
Basic linear equation word problem | 7th grade | Khan Academy
Khan Academy
Guided Notes
Key concepts students will learn:
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Marcia makes $27 on every computer she sells, and her monthly expenses are $10,000.
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To calculate Marcia's profit, we can use the equation: Profit = 27x - 10,000, where x is the number of computers sold.
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To make a profit, Marcia needs to sell at least 371 computers in a month.
Practice
12 questions • Short answer
Exit Ticket
“Devon is saving money to buy a bicycle that costs $150. He has $30 saved already, and he plans to save $10 each week. What is the minimum number of weeks it will take him to save enough money to buy the bicycle?”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
