Unit 7, Lesson 9
Equal Pieces
Grade 1
Preparation
Lesson Narrative
In previous lessons, students created two- and three-dimensional shapes from smaller shapes.
Students begin this lesson by composing shapes, and then they compare shapes made with equal pieces to those made with unequal pieces. They partition shapes into two and four equal pieces and learn the terms halves and fourths. Students do not have to create exactly equal pieces, but they should be able to explain that the pieces are supposed to be equal.
- Action and Expression
- MLR8
- Comprehend (in spoken and written language) the meaning of the terms “halves” and “fourths.”
- Explain (orally) how to partition a shape into equal-size pieces, including halves and fourths.
- Let’s split shapes into equal-size pieces.
Required Materials
Activity 2
Required Preparation
- Cut out the pieces of the circles on the blackline master. Each copy has enough pieces for 8 students.
- Consider having extra shapes cut from the blackline masters for students who may need more than one of each shape.
Suggested Centers
NoneTeacher Reflection Questions
How does this work build the foundation for understanding fractions in later grades? How is this introductory work different from the work students will do in grade 3?