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

Good writers add detail to their sentences to help readers understand and visualize the context. A prepositional phrase is the key! In this exercise, your students will improve sentences by adding prepositional phrases.

Practice adding adjectives to sentences and words in this parts of speech worksheet!

Learn about geography with a fun coloring activity. Add in the correct colors to the Illinois state flag, and read a fun fact about its symbols.

Got summer on the mind? Add a little learning to the mix with this beach-friendly grammar sheet! Catch some rays while practicing parts of speech.

Learn a bit about the cuisine of California with a fun food map! Your little one can even add some sunny colors to this picture too.

Got a little diva on your hands? Help her add some sparkle to her personal space with a fun door hanger that she can color herself!

Add some fun to the old-fashioned placeholder with this bookmark! Your child answers a few questions and makes the bookmark, and the experience, all her own!

Learn about the Missouri state flag with this coloring page. Students can read a fun fact about the symbols on this flag as they add in the correct colors.

Christmas is coming soon and it's time to write Santa a letter. Ask your child to use his best handwriting, and be sure to add some festive colors.

Flowers and candy make the perfect Valentine's Day gift! Little love birds can cut out these flowers and add a lollipop to make a sweet Valentine's treat.

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!

Get in spirit of April Fools' Day with this set of wacky word problems! Follow Ryan on his very odd day, where things don't seem to add up.

Rose entered a creepy corn maze at 11:30 a.m., but at what time did she finally escape its leafy clutches? Help her add up the minutes to find the times.

Multiplying by 3 is easier than multiplying by other numbers because of a certain pattern. When you multiply any number by 3, the digits of the answer must add up to a multiple of 3.

Get into the spirit of Halloween with a ghoulish grammar worksheet! Your child will help make these spooky sentences even more scary by adding adjectives.

Use Election Night to teach your child about politics and government, and have them add up the electoral votes each presidential candidate earns throughout the night.

Help young readers think critically about the organization of a paragraph using this reading and writing activity. Students will read a paragraph about recycling and then choose the best sentences to add to the piece to make it even better!

Help the Easter Bunny by solving the multiplication problems hidden inside the Easter eggs! 

Help the Easter Bunny by solving the multiplication problems hidden inside the Easter eggs! 

We all know the classic fairy tale, and now you have a chance to put your own spin on the story of Cinderella! Your kids can let their imaginations take flight as they add their own plot twists and illustrations to the beloved story.

Help the Easter Bunny by solving the multiplication problems hidden inside the Easter eggs!

Learners discover how adjectives can bring writing to life in this fill-in-the-blanks writing activity.

Help the Easter Bunny by solving the multiplication problems hidden inside the Easter eggs! 

Hidden in the Easter eggs are groups of words related to the holiday. Can you tell which word is spelled correctly?

Use your addition and subtraction skills to find out the answer to a mystery riddle! This worksheet helps kids build addition and subtraction fluency.

Students will practice identifying the supporting details for three different main idea statements.

Learners make the connection from counting and addition to multiplication in this equal groups worksheet.

Give students a helpful strategy for addition with improper fractions and mixed numbers.

Help your child practice adding four-digit and three-digit numbers! This Easter-themed math worksheet is more interesting than your average printable.