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

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

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

Children race down the river and across the finish line by choosing the equations that make 20.

Children use their mental math skills to determine which equations add up to 20 in this math game.

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

Help young learners identify the correct fact family equations in this exciting addition game.

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

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

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

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

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

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