How many shells did Sally sell by the seashore? Get your student in gear for math with this addition worksheet.

See if you get stumped with this math riddle! This great worksheet is full of addition problems for your student to practice.

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

This math worksheet tests your child's addition and riddle-solving skills. Find out the answer to the riddle, "Which month has 28 days?"

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.

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.

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.

Use this glossary with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Use these vocabulary cards with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

Improve your fourth grader's math addition skills and have him complete a fun coloring activity using one simple worksheet.

Why was 6 afraid of 7? 7 8 9 (seven ate nine)! Find more funny riddles to solve with this awesome addition worksheet.

Give students practice adding three-digit numbers within 1,000! 

Children solve a series of problems to trace a path from start to finish in this fun math puzzle worksheet.

What is a math teacher's favorite dessert? Pi! Find more funny riddles by doing this worksheet--a perfect combination of math practice and brain teasers.

Why is 2+2=5 like your left foot? ...Itâs not right! Find more riddles with this awesome worksheetâa perfect combination of math practice and brain teasers.

Use your addition and decoding skills to solve eight problems in this fun math puzzle!