unit 6, module 4

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• Teachers Guide

• Grade 2 - Unit 6 - Module 4

• Bridges® in Mathematics

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• Session Titles:

  • Session 1: Halves & Fourths

  • Session 2: Creating Patchwork Blocks

  • Session 3: The Sandwich Problem, Part 1

  • Session 4: The Sandwich Problem, Part 2

  • Session 5: Unit 6 Assessment

• Module 4 Investigations into Fractions:

• Print Originals pages and activities related to fractions and shapes.

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• Module 4 Overview:

  • Focuses on fractions as equal shares through quilt blocks and sandwiches.

  • Students learn that equal shares do not always have to be the same shape.

• Sessions Overview:

  • Session 1: Warm-up discussion on figures. Folding exercises for halves and fourths.

  • Session 2: Quilt block creation and discussions on halves and fourths.

  • Session 3 and 4: Exploration of the Sandwich Problem in groups.

  • Session 5: Unit assessment following the exploration activities.

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• Materials Preparation:

• Detailed list of materials needed for each session.

• Paper Cutting:

  • Specific sizes and quantities of squares to be cut from various papers for activities.

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• Concepts, Skills & Practices:

  • Comprehensive coverage of mathematical skills aligned with sessions.

  • Emphasis on addition, subtraction, and understanding of shapes in fractions.

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• Session 1: Halves & Fourths Summary:

• Exploration of geometric figures, paper folding techniques, and discussing fractions.

• Learning Goals:

• Understand and create halves and fourths, recognize different shapes as equal shares.

• Materials: Print originals and classroom materials needed.

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• Warm-Up Activity: Which Shape Doesn’t Belong?

  • Interactive class discussion to identify uniqueness among figures.

• Sample Responses:

• Highlighting reasons why each shape is different from the others.

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• Folding Paper into Halves & Fourths:

  • Class participation in folding white squares and predicting outcomes.

• Class Observations:

  • Discuss what is observed once the squares are unfolded.

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• Exploration of the term 'fourth':

  • Discussion on its mathematical significance and its relation to quarters (e.g. coin).

• Activity Adjustment:

  • Predicting outcomes from additional folds and discussing the limiting factor on folding paper.

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• Assessment: Fractions Work Sample:

  • Guiding students to independently complete the assigned work sample based on previous activities.

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• Home Connection Assignment:

  • Introduction of the Halves & Extra Facts Home Connection for additional practice.

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• Session 2: Creating Patchwork Blocks Summary:

• Students create their own quilt blocks and share observations.

• Learning Goals: Equal shares can differ in shape.

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• Warm-Up Activity: Which One Doesn’t Belong?

  • Group activity to determine the unique quilt block.

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• Making Quilt Blocks:

  • Students instructed to create quilt blocks using specific folding techniques.

• Observations: Students share insights based on the shapes they created.

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• Final Sharing:

  • Displaying all created quilt blocks for class comparison and discussion.

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• Class Discussion on Quilt Blocks:

  • Students compare their blocks and discuss fractions in relation to them.

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• Work Places:

  • Students have time to work independently on various stations.

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• Session 3: The Sandwich Problem, Part 1 Summary:

  • Introduces students to the different ways sandwiches can be cut and class engagement on the idea of fairness.

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• Warm-Up Discussion:

  • Initial thoughts on which sandwich to prefer and reasons given.

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• Further Class Activities:

  • Sharing narratives on sandwiches prepared differently, leading to discussions about fairness.

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• Story Continuation:

  • Introducing dilemma faced by children regarding sandwich size and shapes.

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• Session 4: The Sandwich Problem, Part 2 Summary:

  • Deepening investigation into whether the differently shaped fourths are equal in size, particularly group presentations of findings.

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• Planning the Investigation:

  • Students brainstorm investigations after reviewing previous sessions.

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• Engagement with Strategies:

  • Class discussion around methods to determine equal sizes of different shapes.

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• Poster Presentation Guidelines:

  • Instructions on how students will present their findings post-investigation.

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• Class Sharing Activity: Students compare findings about the sandwich pieces and discuss various strategies explored.

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• Work Place Time & Clean Up:

  • Extending time for groups to finalize posters and present them.

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• Session 5: Unit 6 Assessment Summary:

  • Concludes the module with a gallery walk of student work and formal assessment.

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• Assessment Introduction:

  • Preparation for assessment on content learned in Module 4 using various tools.

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• Gallery Walk Proceeding:

  • Students explore and discuss completed investigation posters, allowing for reflection.

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• Final Assessment Guidance:

  • Instructions for assessment completion, ensuring understanding and clarity in responses.

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Note: Content Summary

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Note: Additional Teacher Resources and Guide Materials