Lesson 7
Build with Straws
Lesson Purpose
The purpose of this lesson is for students to build shapes from components.
Lesson Narrative
In a previous lesson, students compared the length of rectangles that were lined up. In this lesson, students work with straws to build shapes. Students initially compare the length of the straws and then use the straws to build shapes. If straws are not available, other materials may be used as long as there are at least 4 different lengths of the material.
 Representation
 MLR8
Learning Goals
Teacher Facing
 Build shapes from components and name the shapes.
 Compare the lengths of 2 objects, by lining up the endpoints.
Student Facing
 Let’s make shapes with straws.
Required Materials
Materials to Gather
 Bags
 Materials from a previous activity
 Materials from previous centers
 Play dough or modeling clay
 Straws
Materials to Copy
 Build Shapes Stage 1 and 2 Cards
Required Preparation
Activity 1:
 Each group of 2 needs a bag with at least 6 straws of each size:
 \(2\frac{3}{4}\) inches
 \(1\frac{1}{2}\) inch
 1 inch
 \(\frac{1}{2}\) inch
Activity 2:
 Students need the bags of straws from the previous activity.
Activity 3:
 Students need the bags of straws and clay from the previous activity.
 Gather materials from:
 Counting Collections, Stage 1
 Which One, Stage 1
 Picture Books, Stages 1–3
 Bingo, Stages 1 and 2
 Shake and Spill, Stages 1 and 2
Lesson Timeline
Warmup  10 min 
Activity 1  10 min 
Activity 2  15 min 
Activity 3  20 min 
Lesson Synthesis  10 min 
Cooldown  0 min 
Teacher Reflection Questions
How did the work of the previous lesson lay the foundation for students to be successful in the first activity of this lesson?
Print Formatted Materials
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Additional Resources
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