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How do we **count?**? Discover **the numbers**. Learn how to write numbers on the **abacus** and how to read numbers.

Let's learn the elementary operations: **addition and subtraction**. Starting with numbers from 0 to 9, you will discover how these operations work. Follow our monster friends to learn **addition and subtraction**!

What does **multiply** mean? Discover how **multiplications** work and learn all the **multiplication tables**!

What is a **division**? A division is used to separate into **equal amounts**. Learn how **divisions** work!

Let's talk about some special numbers: **the fractions**! Fractions are a numerical quantity that results from **dividing one whole number by another**. Discover all the types of fractions and all their characteristics!