With this document, students learn how to calculate mentally. Mental calculation requires them to organize their knowledge in a different way from that used in written algorithms. They have to efficiently decompose numbers and visualize them with ingenuity. These essential leisurely activities, with clear results based on objectives, require commitment from students to meet the challenges offered after each match. Answers accompany each exercise.
Suggested products
Your choice has been added to the shopping cart.
Do not show
One or more of selected products were already in your cart. They have not been added. You may change the quantity ordered in your shopping cart.