Rounding Decimals and Whole Numbers
Students will learn to round numbers to a specified number of significant figures and use estimation to check the reasonableness of calculations.
Key Questions
- How do you round a decimal number to the nearest whole number or to one decimal place?
- Why is rounding useful when estimating the answer to a calculation?
- Can you round money amounts in a real-world context and explain your choices?
MOE Syllabus Outcomes
Suggested Methodologies
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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.
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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.
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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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