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Kölner Lernspielverlag

addition up to 20

addition up to 20

Regular price €6,90 EUR
Regular price Sale price €6,90 EUR
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Our "Addition to 20" card set for the punch box allows students to have an interactive and educational learning experience. With a total of 48 exercises (24 cards printed on both sides), mathematical skills in the area of ​​addition up to 20 are specifically trained. The tasks are designed to be age-appropriate and offer a playful approach to arithmetic. The difficulty of the tasks increases with the number of cards, making it an exciting challenge for children.

Here's how it works

This is how the punch box works:

  1. Slide the deck of cards into the hole box.
  2. Put the wooden peg in the hole for the correct answer.
  3. If the answer is correct, the card can be pulled out. If the answer is wrong, the card gets stuck.

You are promoting that

  • Mathematical Competence: Students learn the basics of addition up to 20 and develop a better understanding of numbers
  • Problem Solving Skills : The exercises encourage children to solve math problems and improve their logical thinking skills.
  • Concentration and Attention: Solving the tasks requires concentration and attention, which strengthens the children's cognitive abilities.
  • Logical Thinking: Solving addition problems requires logical thinking and an understanding of number relationships.

Important mathematical foundations are laid with this set of cards, and the students playfully develop their skills in arithmetic and mathematical thinking.


The flashcards are made of high quality and durable paper.

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  • Free shipping from 40€ order value.

  • 14-day right of return for worry-free shopping

  • Eco-friendly packaging & materials

  • Uncomplicated customer service (via Instagram/Whats App)