Children will solve addition word problems in order to help Roly make it across the river!

Hone first grade addition strategies with this underwater math adventure!

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

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

Kids solve a multi-step word problem by counting out the right number of coins.

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

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

In this energizing math game, think about how different numbers can add up to 20.

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

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

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

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

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