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

First graders match the cards that equal the same value in this mental math matching game.

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

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

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

Fill in these addition facts! This game challenges kids to match missing addends to each equation.

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

Kids practice matching each addition equation to its missing factor in this interactive math game.

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