Spike Prime - Calculator

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Let's begin

Learning numbers and calculations with numbers can be fun! This robot can add, subtract, multiply and even divide. Build it and play with it to explore the mathematical operations!

Build

Model:

Pictures:

Building instructions:

• Calculator (PNG)

Download building instructions:

• whole system (pdf)

Download stud.io model:

• vehicle (stud.io)

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Connections:

• left motor - D
• right motor - C
• color sensor - E

Programs

Addition and subtraction:

Addition and subtraction based on colors:

Multiplication:

Light blocks (used in multiplication and division):

Division:

Download:

• calculator.llsp (addition and subtraction)
• calculator_colors.llsp (addition and subtraction with colors)
• multiply_calculator.llsp (multiplication)
• division_calculator.llsp (division and reminder)

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Measure, analyze, think

• Make your own recording

• Perform measurements with your model and discuss in your group what has happened.

Explore and modify

• Is addition part of multiplication? How?
• Is subtraction part of division? How?
• What happens when we subtract 3 from 2? Do you have other suggestions?
• Where are the limits of the calculator? Can you explain?
• Add different brick colors to add/subtract more than 1 to the sum at a time.

Present

• Prepare a short presentation for other groups. Tell others about your experiments with the calculator. Is there someone in the group who never worked with a regular calculator? Discuss.

Additional resources

• Download: Calculator - all media files