The document describes a math book about penguins where the child groups penguins in different ways to write number sentences, types number sentences based on penguin pictures, and completes a counting and pattern activity by moving penguin images. The child groups 7 and 3 penguins to write 7+3=10, groups 6 and 4 penguins to write 6+4=10, types 5-2=3 to match a picture, and completes a pattern by counting penguins by twos and moving images to their correct places.