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

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.

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

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

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

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

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

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

Children practice addition within 10 in this water rafting adventure!

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

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

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

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

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

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

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

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

Help young learners identify the correct fact family equations in this exciting addition game.

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

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

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

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

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

Think about how numbers are related in this interactive game about addition fact families.

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