Arithmetic contents for Primary schools are now available online.

Arithmetic studies the operations and their properties. Let's start with the numbers, learn how to recognize them and discover the four operations: addition, subtraction, multiplication and division. Learn how the powers and the fractions work.

Additions and subtractions

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 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!