One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

This addition worksheet teaches your kid how to read a thermometer and measure temperature, two vital skills that everybody should master.

Can your first grader dig through a leafy mess to find the numbers that are added together for each clover? He'll come out of it with stronger addition skills!

Represent ones and tens with crayons in this fun worksheet.

Ho ho ho! Santa has left lots of colorful presents filled with addition facts for your first grader to practice.

Represent tens and ones with crayons in this fun worksheet.

Merry Christmas! To help your child stay sharp during the holiday, Santa has left lots of colorful presents filled with addition facts for your child to solve.

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

Hone your addition skills with this engaging near-doubles worksheet!

Let’s chart a calculated course with this engaging second-grade addition activity!

Maybe the real treasure at the end of the rainbow was the addition skills you gained along the way!