Tag: dragon

https://youtu.be/xIuNoHBHZEI It's our second episode of Irina and The Dragon's Mathematics for children. We invite you to help Irina sort out the toys on shelves and put them all in order. You will learn that numbers can be used as ordinals (to put items in order and to indicate a single item) or to show … Continue reading Irina and The Dragon: Ordinal numbers