Decomposing a shape into more equal shares
Understand that decomposing a shape into more equal shares creates smaller shares
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Teaching Table · Plan outline
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“If a pizza is shared between 2 people and then the same pizza is shared between 8 people, can your child explain why each slice is smaller when more people share it?”
Full guide and materials
- Activity. Understand that decomposing a shape into more equal shares creates smaller shares
What to notice. Explain that a quarter of a pizza is smaller than a half of the same pizza • Demonstrate that fourths are smaller pieces than halves • Compare the size of halves and quarters of the same shape
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If a pizza is shared between 2 people and then the same pizza is shared between 8 people, can your child explain why each slice is smaller when more people share it?
Understand that decomposing a shape into more equal shares creates smaller shares
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Check understanding
- Explain that a quarter of a pizza is smaller than a half of the same pizza
- Demonstrate that fourths are smaller pieces than halves
- Compare the size of halves and quarters of the same shape
“If a pizza is shared between 2 people and then the same pizza is shared between 8 people, can your child explain why each slice is smaller when more people share it?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 6–7
Standards