Addition up to 100: Mental Math Race

About Addition up to 100

Practicing addition up to 100 is much more exciting when every correct answer makes your car speed up. In this math race you'll see an addition or subtraction problem with numbers up to 100, with several possible answers below it; the more you get right, the faster your racer moves around the track. You can play against other cars or create a room to compete with classmates and friends, which works wonderfully in class. It's a very motivating way to strengthen mental math in elementary school. To keep practicing, visit our math games.

The beauty of this game is that it turns a worksheet of addition and subtraction up to 100 into a competition. Kids don't feel like they're doing homework: they want to overtake the car ahead, and to do that they have to calculate well and fast. Since answers are chosen from several options, it also trains the ability to estimate and rule out impossible results, a very useful skill in everyday life. And because you can play in a room with others, the whole class can take part in the same race, which makes reviewing numbers up to 100 a lot more fun for everyone.

How do you play Addition up to 100?

1. Choose whether you want to race solo or create a room to play with others.
2. Read the problem on the screen, for example 83 + 14.
3. Work out the answer in your head and click the correct number among the options.
4. Every correct answer moves your car forward; reach the finish line first to win the Grand Prix.

Addition up to 100 controls

PC

• Mouse click: choose the correct answer

Mobile and tablet

• Screen tap: tap the number with the solution

What do you learn in Addition up to 100?

• Addition and subtraction up to 100 with and without carrying.
• Mental math quickly, without pen or paper.
• Estimation: ruling out answers that don't fit by looking at the ones or tens digit.
• Concentration and handling time pressure in a friendly competition.

Recommended for ages 7 and up.

Tips to play better: Addition up to 100

• Look at the ones digit first: in 83 + 14 the result must end in 7, so you can rule out the other options right away.
• Break problems into tens and ones (83 + 10 + 4) to calculate faster.
• In subtraction, check your result by adding backwards if you're torn between two answers.
• Teachers and families: create a room and organize small team races to review addition and subtraction up to 100.

Addition up to 100 FAQ

What grade are these additions and subtractions up to 100 for?

They fit especially well in 1st and 2nd grade, when numbers up to 100 are taught, although they also work as a review in later grades.

Can you play the addition race with friends?

Yes. The game lets you create a room so classmates and friends can compete in the same math race.

Is it a free mental math game?

Yes, it works for free in the browser on your computer, tablet or phone, with no downloads.

Additional information: Addition up to 100

Game type: Educational math / racing
Recommended age: Ages 7 and up
Technology: HTML5
Platform: Web browser (PC, tablet and mobile)

Enjoyed Addition up to 100? Also try Greater or Less, Multiples of 4 or 3D Geometric Shapes. Find more Math Games and hundreds of games you can play in your browser on LudoRex.