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

First graders hone their addition skills of adding one more with this water rafting math adventure!

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

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

Add one and find the sum! In this game, children practice number and pattern recognition skills.

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

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

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

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

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

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

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

Kids add to different target numbers, and must be quick; the balls are dropping fast!

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

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

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

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

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

Children practice addition within 10 in this water rafting adventure!

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

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

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

Practice two-digit addition and adding multiples of 10 in this Dino Fishing math game.