Help second graders learn about addition facts to 20 in this online matching activity.

Kids try to match the equations that equal the same number in this online math game!

Match each addition fact to its answer in this online game!

Dive for treasure and missing factors in this online game featuring addition equations.

Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.

Compose numbers to make 20 and build first grade addition skills in each round of this online game.

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

In this water-themed race, first graders use math and logic to fill in each addition equation.

Players hone their two-digit addition skills as they match equations with their missing addends!

Children will love racing to the finish line while boosting their addition and mental math skills.

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

Kids hone their single-digit addition skills as they match equations with their missing factors.

Children practice adding two-digit and one-digit numbers to dig up fossils in this math game.

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.

Think about how numbers are related in this interactive game about addition fact families.

Get ready to add 10 more! Analyze expressions like "110 + 10" and calculate three-digit sums.

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

Which equation looks right? Review fact families and addition to 10 in this educational math game.