Here are the links to your lessons.
Grammar https://classroom.thenational.academy/lessons/to-explore-pronouns-75h38c?activity=video&step=1
Reading https://classroom.thenational.academy/lessons/to-introduce-the-text-and-author-6ww32e?activity=video&step=1
Maths https://classroom.thenational.academy/lessons/rounding-6-digit-numbers-to-the-nearest-100-000-and-100006nhpcd
History https://classroom.thenational.academy/lessons/what-were-the-great-achievements-of-the-ancient-greeks-70up8d