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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.
To start, click on "Let's Go!"
Choose the fact family or group of fact families you would like to practice by clicking on it.
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.
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!
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."