Kids compare the sizes of animals and plants in this leveled book.

For beginning readers, here's a study of big and small sizes that also establishes key reading skills.

Learn about comparing numbers with these mischievous troll brothers.

Teach children all about size comparison with this fun leveled book.

How many feet? Kids learn about non-standard units of measurement.

Based on national education standards, this interactive reading activity goes over the most basic reading skills with simple vocabulary and short sentences.

This leveled book goes over opposites and works on higher-level reading skills for kids who might need a bit of a challenge.