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

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

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.

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

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

Dive for treasure and missing factors in this online game featuring addition equations.

Use the top row keys and the space bar as you practice touch typing accuracy and speed.

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

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

In this underwater game, children choose the correct subtraction expression for a given fact family.

Practice what you have learned by typing words formed by the home row keys.

It's time to put your touch typing skills to the test with real words.

Mine your top and home row touch typing experience to create some shiny new words.

Squirrel wants to eat as many nuts as he can — but he needs you to focus on keys 1, 2, 9, and 0 to fill his belly!

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

Practice home row and top row keys and the space bar in this home and top row words game.

Learn to type the letter x and the period -- all in one fun and quick game. Plus learn to type words that have the letter x in them.

To practice place value, kids bake chocolate squares in increments of tens and ones.

Kids must use a number line to compare numbers in this simple math game.

Kids add buildings to the cityscape using tens and ones blocks.

Help your child multiply by 9 with this interactive multiplication matching game! Your child will be a multiplication master in no time.

Kids find numbers with tens and ones in this place value game show!

Kids make three-digit numbers with hundreds, tens, and ones in this game.

Kids pick the right set of peapods to demonstrate their knowledge of ones and tens.

Pass the peas! Kids identify two-digit numbers based on tens and ones.

Help kids build place value understanding by fixing this machine with tens and ones.

Kids must count up tens and ones to identify the number in this place value game.

Kids compare subtraction equations and numbers to feed the gators in this game.

Happy, thrilled, delighted! In this shades of meaning game, kids identify common synonyms that are grouped together.