| Activity Outcome | Measuring length using arbitrary units (candles). Using numbers in context. |
| MTS Set | 1
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| NSW Curriculum | NS1 Whole Numbers |
| Topics | Understand Whole Numbers
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| Keywords | Personal Context, Number Sense, Length, Count |
| Grouping | Small group |
| Resources | Box of birthday candles for each group. |
| Lesson Notes | - Briefly discuss the question: What do you need to find out? What do you need to do? What materials will you need? How can you work together to solve the problem? What part of the question do you need to guess about? What might your answer be? ...
- Tell students they need to work out how to solve the problem and share their idea with you before they get the candles.
- Students carry out the investigation. Questions that can be asked as they work include: How long do you think you were as a baby? Are most babies about the same length? How careful do you need to be when measuring? Have you all been measured in your group? Who has grown the least? most? ...
- Share findings from around the class: Are most of your answers about the same? Why are some answers a little different?
- How many candles will you grow by the timeyou are 10? 20?
- Reflection - see below.
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| Reflections | Ask students to draw pictures to show the things they did to answer the question. Encourage them to think about the things they did in steps, and to draw a different picture for each step.
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| Integration Links | Science: How do candles change when they burn?
S&E: Do children in other parts of the world celebrate birthdays? Do they have birthday candles? Birthday cakes?
birthday wishes? birthday presents?
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| Internet Links | http://www.babyzone.com/babynames/twinname.asp General list of baby names in alphabetical order. Children could locate their own name and its origin and meaning: http://www.babyzone.com/babynames/mybabynames.asp General baby information including cute baby competition that children can browse and/or v
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| Answers | Answers will vary. |
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