Estimating How Many
Develop strategies for estimating quantities and checking the reasonableness of estimates.
Key Questions
- About how many objects do you think are in a group before you count?
- How can you use what you already know to make a good guess?
- Can you check your estimate by counting carefully and see how close you were?
NCCA Curriculum Specifications
Suggested Methodologies
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Planning templates for Foundations of Mathematical Thinking
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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