| Activity Outcome | Using large whole numbers in real-life investigations. Time Asking Questions |
| MTS Set | MTS6
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| NATIONAL Curriculum | The Number System |
| Topics | Understand Whole Numbers
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| Keywords | Strategies, Large Numbers, Integers |
| Grouping | Independent or small group |
| Resources | Calculator |
| Lesson Notes | - Ask students to write a guestimate (conjecture) of the solution.
- Then ask students to make a choice between working independently or in a group depending on their confidence in answering the question. Note: For those joining a group, emphasise that all members are expected to contribute to the group's needs.
- Give the students time and space to work independent of teacher interaction. Students learn to rely on each other for assistance and the sharing of strategies.
- Students verify (and revisit as necessary) strategies and solutions with each other before handing in their work for assessment.
- Complete the lesson by asking students to create similar investigative questions.
- Collect and mark student work.
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| Reflections | Ask: What was your immediate reaction when you found out you were about 100 000 hours old? Were you surprised? What further questions about time would you like to investigate?...
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| Internet Links | |
| Answers | 100 000 hours is about 11 |
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