Charged Particles
integers · Modeling integer addition and subtraction with zero pairs
Charged Particles is a Grade 6 integer model that uses positive and negative counters to make addition and subtraction visible. Students represent integers as charges, build zero pairs, and add or remove counters to model expressions such as subtracting a negative number. The physical model helps explain why a rule like “subtracting a negative” works instead of asking students to memorize it first.
Use this as a whole-class demonstration or guided practice before moving students toward symbolic integer procedures. Ask students to narrate what each counter and zero pair represents so the model stays connected to the equation. Generate teacher-ready lesson support for Charged Particles with a free Find a Math Game account. No credit card; 3 lifetime generations.
- Grades:
- 6
- Materials:
- counters, paper
- Classroom use:
- whole class
Standards alignment
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