Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.

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

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

Build up second graders’ math knowledge with a diving game about three-digit addition.

Kids practice two-digit addition to 100 in this action-packed number line game.

Reinforce your child's three-digit addition skills with this ski-themed learning adventure!

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

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

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

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

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

Kids practice addition and subtraction with manipulatives in this silly shopping 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.

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.