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

Learners practice subtraction and patterns of one less in this underwater math race!

Players race down the roaring rapids while practicing subtraction patterns of one less.

First graders hone their addition skills of adding one more with this water rafting math adventure!

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

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

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

Help Roly get to the party on the other side of the river by solving addition word problems!

The alligators are hungry for numbers, and kids use number skills to feed them.

Children practice adding two-digit and one-digit numbers to dig up fossils in this math game.

Children hone skip counting skills as they help the woodpecker peck the boards in numerical order.

This fast-paced math game is a great way to get children comfortable with skip counting by 2.

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.

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.

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.

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

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

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

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.

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