Mathematics·Fractions·conceptual
Decomposing a shape into more equal shares
Understand that decomposing a shape into more equal shares creates smaller shares
Suggested ages 6–7
Learning journey
Your child is beginning to understand fractions by dividing shapes and objects into equal parts, learning to recognize and write simple fractions like halves, quarters, and thirds.
Evidence of 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
Assessment prompt
If a pizza is shared between 2 people and then the same pizza is shared between 8 people, can Decomposing a shape into more equal shares explain why each slice is smaller when more people share it?
Standards alignment
1.G.3US · ccss-math
Partition circles and rectangles
Common Core State Standards for Mathematics · 1