When your fourth grader is ready to move on to multiple-digit addition and subtraction, these riddles will make review fun and challenging.

Tackle text features like timelines, glossaries, and photo captions with this perfectly haunting workbook. Stories from 13 states come together when your child binds this handmade booklet.

It's eat or be eaten when it comes to food webs! Kids read informational text as they learn about food chains and food webs in this well-illustrated workbook. Charts and writing prompts round it out.

Play the role of president. This series poses critical thinking in a playful what-would-you-do way. Scenarios leverage reading, thinking and writing skills while engaging kids in modern government.

Nature documentaries might make the animal world seem graceful, but it's actually pretty gross! Explore all the icky, sticky and smelly things animals do to help each other survive in the wild.