Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Did you know "Delphinus" is Latin for "dolphin"? Learn all about this cool constellation with this worksheet!

Children are introduced to a helpful, five-word mnemonic device for remembering what to include in a fiction summary.

Work through the tougher times tables by using a simple strategy! Break down each equation into two smaller equations to help you out.

Run circles around math practice with a fun multiplication sheet! Your math whiz can work on her times tables, basketball style.

Challenge your child to basketball multiplication tournament! She can review her times tables with these equations, perfect practice for a quiz.

Prep your haunted house for a Halloween party! These printable invitations are perfect for inviting ghostly guests to the party.

Here's a fun drawing exercise that will also teach your child about a species of owl. He'll read some fun facts about the Great Horned Owl.

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

What if you were able to meet your favorite fictional character in real life? Write a creative story about your adventures together.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

How do make a scary story even more haunting? By adding some spooky adjectives! Get some practice adding adjectives to these sentences.

Let your child practice his parts of speech with this fun worksheet! He'll build his vocabulary with adjectives that start with the letter "N".

How well does your child know his U.S. states? Here's a fun activity to learn about New Mexico, with a state flag coloring page.

Geography students, enjoy a fun coloring page that will teach you a bit about the Rhode Island state flag. Try to add in the right colors to the flag!

Download this set of four Father's Day cards (plus one card template) with this bundle of Father's Day printables!

Help your student memorize her 50 states region by region. This map needs its mid-western states to be filled in.

How well do you know your siblings? Give your writer a fun activity, where they'll answer questions about their big or little brother!

Is your child an expert at multiplication? Find out with this fun, printable board game.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Introduce your third-grade writer to sensory words with this worksheet about sorting adjectives under the correct senses.

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Practice multiplication facts for numbers 1-10 in this Halloween-themed worksheet!

This old Native American myth, The Raven Steals the Light, is the perfect story to spook -- but not scare -- kids this Halloween.

Learners will have a blast creating a jack-o'-lantern bookmark when they follow the directions on a legend.

Can your child help Sarah make her writing less repetitive? This sentence combining exercise will help your child, too!

Give your little math whiz a wordy challenge! This word scramble will help them hone their spelling skills while reviewing common math terms.

Children will enjoy using arrays to learn about the commutative property of multiplication in this playful hands-on worksheet.

Dive into a sea of words! Your child will have a blast hunting for all the words in this under-the-sea word search puzzle.

Can you tell what animal this is? Have fun with a skip-counting dot to dot, the perfect way to introduce your child to multiplication.