Teen Numbers: Ten and Some Ones
Developing an early understanding of place value by anchoring numbers to the number ten, specifically teen numbers.
Key Questions
- How does the number 10 help us understand numbers like 13 or 17?
- Construct a model to show that 14 is a group of ten and four ones.
- Analyze why teen numbers are written with a '1' in the tens place.
Common Core State Standards
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.
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.
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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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