Use your mental math skills to build the tallest, most incredible ice cream sundae possible! Play against the computer or head-to-head versus other students from around the world.
Recall all addition and subtraction facts for each number to 20. Use this to solve problems involving small or large numbers.
Derive and recall all number pairs that total 100. Add or subtract mentally pairs of two-digit whole numbers (e.g. 47 + 58, 91 - 35).
The 2 times tables.
The 5 times tables.
The 3 times tables.
The 4 times tables.
Get 30 days trial. No credit card required.