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Lesson 1 · grade 1–2
Adding and subtracting
📖 Lesson
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🎯 Quiz — pick the translation
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✅ Lesson done
Adding means putting groups together: 3 apples + 2 apples = 5. Subtracting means taking away: 5 − 2 = 3.
💡 Trick: think in tens! 8 + 7 = 8 + 2 + 5 = 15. First make ten, then add the rest.
- ●3 + 4 = 7
- ●9 − 5 = 4
- ●12 + 8 = 20
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Test yourself!
Quiz — pick the translation →
🖨 Worksheet
Practice the topic with the trainer — like after class