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

Children hone their multi-digit addition skills in this fun race to the finish line!

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Children complete a race by choosing the correct addition expressions for the given fact families.

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

Which number is missing? Click on the number that fits each addition expression and win the race.

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

Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure!

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

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

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

Practice essential first grade addition skills in this river-themed math game!

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

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

To help Roly move through obstacles, kids learn a regrouping strategy to make addition within 20 easily!