Grade Level

1st - 2nd grade

Duration

45 minutes

Overview

This lesson introduces students to basic fractions (halves and quarters) and 3D shapes, aligning with Common Core State Standards. Through hands-on activities, visual aids, and group work, students will explore how to recognize and describe fractions and 3D shapes in everyday contexts.

---

Standards Alignment

Mathematics - Common Core State Standards

• 1.G.A.2: Compose two-dimensional shapes or three-dimensional shapes to create a composite shape, and compose new shapes from the composite shape.
• 2.G.A.1: Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.
• 1.G.A.3: Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of.
• 2.G.A.3: Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc.

---

Learning Objectives (I Can Statements)

• I can identify halves and quarters in shapes and real-life objects.
• I can explain what makes a half or a quarter equal parts.
• I can name and describe common 3D shapes: cube, sphere, cylinder, cone.
• I can compare and compose 3D shapes to create new shapes.
• I can describe the attributes of 3D shapes using correct vocabulary.

---

Success Criteria

• Students correctly partition given shapes into halves and quarters.
• Students use correct fraction vocabulary (half, quarter).
• Students identify and name at least three 3D shapes by their attributes.
• Students demonstrate understanding by composing new shapes from 3D shapes.
• Students actively participate in group and individual activities.

---

Materials Needed

• Paper circles and rectangles with dotted partition lines
• Physical 3D shapes (cube, sphere, cylinder, cone)
• Plastic/paper fractions puzzles (halves and quarters)
• Whiteboard and markers
• Dyslexia-friendly worksheets with large text and simple fonts
• Colored markers and crayons
• Visual fraction story cards with images and simple text
• “Shape detectives” checklist handout (simplified reading option)

---

Lesson Activities

1. Warm-Up: Fraction Story Time (5 minutes)

• Read a short story with visual fraction cards that shows sharing food (like a pizza sliced into halves and quarters).
• Use dyslexia-friendly materials: short sentences, clear, large font, and bright visuals.
• Ask: “If I eat half the pizza, how much is left?”

Objective: Introduce fraction language in a fun and relatable context.

---

2. Introducing Fractions (10 minutes)

• Show paper circles and rectangles.
• Demonstrate partitioning into halves and quarters using physical shapes.
• Use interactive questioning: "Is this half or a quarter? Why?"
• Students get individual paper shapes to color halves and quarters.
• Use “I can” statements on board:
  • I can find halves and quarters.
  • I can color the equal parts.

Differentiation

• Support students who struggle with fine motor skills by providing pre-cut shapes or having a partner assist.
• Use tactile fraction pieces for students with visual impairments.

---

3. Exploring 3D Shapes (10 minutes)

• Introduce physical 3D shapes: cube, sphere, cylinder, cone.
• Pass shapes around for students to touch, feel, and observe.
• Discuss attributes: faces, edges, vertices.
• “Shape detectives” checklist to identify the number of faces etc.
• Use I can:
  • I can name 3D shapes.
  • I can describe their features.

Differentiation

• Provide visual aids with labeled parts of shapes for ELL and dyslexic learners.
• Use color coding to highlight faces, edges, and corners.

---

4. Hands-On Group Activity: Shape Composition (12 minutes)

• In groups of 3, students use 3D shapes to build a new shape or structures.
• Challenge groups to describe the shapes used and how they fit together.
• Questions to guide:
  • How many cubes did you use?
  • Can you find halves or quarters in your structure?
  • What new shape did you make?

Advanced Learners

• Challenge them to describe their composed shape using more precise language, e.g., “This shape has 3 cubes and 1 cylinder.”

---

5. Independent Reflection and Assessment (8 minutes)

• Students complete a dyslexia-friendly worksheet where they:
  • Match shapes with names.
  • Partition a rectangle into halves and quarters and color them.
• Ask students to write or draw one thing they learned about fractions and shapes.

---

Differentiation Strategies

Learner Type	Strategies
Visual learners	Use bright visuals, color-coding, and labeled diagrams.
Kinesthetic learners	Hands-on activities with physical shapes and fraction puzzles.
ELL / Dyslexic learners	Use simplified text, dyslexia-friendly fonts, colored overlays, and oral instructions.
Students with fine motor challenges	Provide larger crayons, pre-cut shapes, or partner assistance.
Advanced learners	Extensions with compositional vocabulary and additional shape challenges.

---

Extension Activities

• Shape Hunt: At home, students find and photograph or draw at least 3 different 3D shapes.
• Fraction Art: Students create a picture using halves and quarters cut from colored paper.
• Shape Story: Write a short story about a 3D shape character who “splits” into halves and quarters.

---

Reflection for Teachers

• Note student engagement levels with tactile vs. visual activities.
• Observe individual understanding during group work to assess collaboration skills.
• Adjust pacing for students needing more time for fraction partitioning.

---

This lesson plan balances structured fraction and shape learning with creative, hands-on engagement, supporting diverse learners while focusing tightly on the Common Core math standards appropriate for 1st and 2nd graders.