Add Three! play online

Thought math was already hard to begin with? Imagine having to solve an addition problem with three hidden numbers: (? + ? + ? = ?)! Add Three is a fun, challenging game that puts your math and memory skills to the test. No calculators allowed!

TIP: Remember hints are your best friend. Dont hesitate to use as many hints as you need.

Game Modes:

ADD THREE
The classic. For a set of three numbers (? - ? - ?), calculate its sum and remember the last two numbers. The next set of three numbers holds (in order) the two numbers you were supposed to remember and the sum you calculated. Repeat the process. TIP: Use coins if you have to!

HOT STREAKS
The main event. Give your brain a break from memorization and race the clock to answer simple fast-paced addition problems!!! Get as many answers as possible right in a row to increase your streak. Be careful not to lose your streak, or youll be in danger of losing the game! Great for practicing and assessing ones grasp of addition.

MULTIPLY TWO
Switch it up with multiplication!

ADD TWO
An easier version of Add Three with only two numbers in a set.

Check out How to Play for more details.