Task Teacher Guide
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Students will continue exploring how to use coding blocks to create shapes. Students will discover patterns that will help them work more efficiently.
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[accordion-item title=”Intentionality…”]
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Spark
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Show students the “Moving Sprites”project, but do not “See Inside”:
Click on the green flag and watch each sprite carefully.
Then, ask students:
What do you notice?
What do you wonder?
Which blocks are being used to produce both effects and movements?
Bring students’ attention to both the way that sprites are moving (smoothly, choppily, etc.) as well as what is happening to each sprite as they move. Have students scroll through the different categories of coding blocks in Scratch to see which blocks may produce similar effects, focusing especially on Motion and Looks blocks.
Estimation: Prompt
Ask the following question:
What Motion and Looks blocks do you think are being used?
We can now ask students to make predictions (not a guess) as we want them to be as strategic as they can possibly be. This will force them to use reasoning to try and come up with reasonable choices.
While Students Are Estimating…
Allow students to look through the coding blocks available to them (on the left hand side of Scratch) and write down which blocks might be useful. If you do this as a whole class, as students share their estimates, consider writing down the reasonable ones, so they have options to start with. Allow students to look through the coding blocks available to them (on the left hand side of Scratch) and write down which blocks might be useful. If you do this as a whole class, as students share their estimates, consider writing down the reasonable ones, so they have options to start with.
If you have time and the students are interested, you can have students attempt to recreate the project on their own, either individually, or in Programming Pairs. Monitor student progress by circulating around the room and observing student problem solving. Remind students to use Repeat loops when appropriate. Have students “Share” their project to the class Studio so that everyone can see each other’s projects. From the Studio, select and sequence some of the student solutions, show them to the class, and ask a student from the selected groups to share with the class.
Click “See Inside” and show students the actual code that was used to create this project. Celebrate correct predictions and discuss any surprises. If time permits, allow students to recreate the code in each sprite and then add any creative changes they would like to make.
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Sense Making
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[accordion-item title=”Crafting A Productive Struggle: Prompt”]
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During Moves
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[accordion-item title=”While Students Are Productively Struggling…”]
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[accordion-item title=”Student Challenge #1: Getting the angles”]
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[accordion-item title=”Student Challenge #2: Sequencing”]
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[accordion-item title=”Student Challenge #3: Repeat Blocks”]
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Next Moves
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[accordion-item title=”Consolidation: Making Connections”]
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Open the “Draw Different Shapes” project and “See Inside” to show one way of completing this project:
Project Reveal:
Go over the coding script in Scratch, or show the following image with students which shows the full coding script that students would ideally have created.
Discuss how they determined which angles to use and how many times to repeat. Ask if there are any connections between the angles used and the 360 degrees of a circle (360 divided by the number of sides in the shape to determine how many degrees to turn each time).
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Provide students an opportunity to reflect on their learning by offering these consolidation prompts to be completed independently.
Consolidation Prompt #1:
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Consolidation Prompt #2:
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We suggest collecting this reflection as an additional opportunity to engage in the formative assessment process to inform next steps for individual students as well as how the whole class will proceed.
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Resources and Downloads
Lesson Tip Sheet
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Videos & Images
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Printable Handout
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Explore The Entire Unit of Study
This Make Math Moments Task was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, and extensions to elicit and emerge mathematical models and strategies.
Click the links at the top of this task to head to the other related lessons created for this unit of study.
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[accordion-item title=”Spark Video”]
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[accordion-item title=”Spark Image”]
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[accordion-item title=”Estimation: Prompt”]
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[accordion-item title=”Struggle Prompt: Video”]
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[accordion-item title=”Struggle Prompt: Image”]
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[accordion-item title=”Consolidation Prompt #1″]
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[accordion-item title=”Consolidation Prompt #2″]
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Download Editable/Printable Handout
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