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!

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

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

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