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

Kids help Elliott prepare treasures for her museum by answering word problems by using a tape diagram.

Add 100 to three-digit numbers and find the matching sums in this exciting Dino Fishing game.

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

Are you ready to add 10 to numbers over 100? Reinforce students’ learning in this ski-themed game.

Children will love racing to the finish line while boosting their addition and mental math skills.

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

Go fishing for numbers that add up to 10 in this interactive addition game for young math learners.

Children dig up dinosaur fossils by adding 10 to multiples of 100 in this prehistoric game.

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

Kids practice adding and taking away 10 in this silly game show.

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

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

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

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

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

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

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

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

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.

Counting and adding get served up in this game that challenges kids to add toppings to a giant pizza.