Estimating and Calculating Cost
Students estimate and calculate the total cost of multiple items priced in cents.
About This Topic
Students estimate and calculate the total cost of multiple items priced in cents.
Key Questions
- How can estimating help us know if we have enough money?
- What strategies can we use to add the prices of two items?
- Is the total cost closer to 100 cents or 200 cents?
Active Learning Ideas
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
Unit PlannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
RubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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