| Activity Outcome | Using small numbers in a context familiar to young students. Adding on with concrete materials. |
| MTS Set | MTS1
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| NATIONAL Curriculum | Add and Subtract (F-1) |
| Topics | Understand Whole Numbers
Adding On
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| Keywords | Personal Context, Number Sense, Counting On, Count, Adding On |
| Grouping | Learning pairs and whole class |
| Resources | Discrete counting objects. You may want to cut the activity sheet into two halves. |
| Lesson Notes | - Briefly introduce the first question to students: What do you think you need to do? What materials will you need? What might the answer be like? Should we all get the same answer?...
- Provide students with time and space to think and work without intervention from the teacher.
- Bring students together to share strategies.
- Students complete solving the problem in learning pairs. Provide assistance to pairs as necessary: How many people came to his first birthday? How can you use the counters to show the people that came to his first and second birthday?...
- Share solutions and strategies.
- Extension: Repeat for the second question.
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| Reflections | Peter's next birthday is his 10th. How many people Peter will Peter invite to his 10th birthday? Would all the people coming to his 20th birthday fit in our classroom?... How many people would you like to invite to your next birthday?
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| Internet Links | |
| Answers | Task 1. 15 Task 2. 36 |
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