Diaper Derby - Subtraction


Diaper Derby - Subtraction Math Game

Content Skill: Subtraction        
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.


Welcome to another fun racing game! Customize your baby’s look before you help the baby scoot his or her way to the finish line! Pick a fact and answer a set of problems. The faster you answer each problem, the faster your baby will scoot! Go, baby, go! Enjoy this mad dash to learn your subtraction tables! 


Welcome to Diaper Derby Subtraction | 
Step 1
To start, click on "Let's Go!" 
Choose a Fact for Diaper Derby Subtraction | 
Step 2
Choose the fact family or group of fact families you would like to practice by clicking on it.
Design Your Baby Racer in Diaper Derby Subtraction | 
Step 3
Here is where you get to customize your baby and the baby racer! You can choose different skin color, hairstyles, shirts, and what the walker looks like. When you have the baby and the walker just the way you want, click on "Done" to begin the race. 
Solve the Subtraction Problems in Diaper Derby Subtraction | 
Step 4
The faster you enter the correct answer to the subtraction problem, the faster your baby will go. Choose your answer to the fact by clicking it at the top of the page. Answer the subtraction facts quickly and correctly to cross the finish line first! Practicing the math facts is fun in this free online math game!
Race to the Finish in Diaper Derby Subtraction | 
Step 5
When you have answered enough of the subtraction facts correctly, you'll finish the race. Then you will be awarded 1st, 2nd, 3rd, or 4th. To start the game again, click on "Play Again."