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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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