Category | Price | Seller | Device |
---|---|---|---|
Education | $0.99 | Atikur Rahman | iPhone, iPad, iPod |
Three difficulty levels available, where each level contains unlimited practice problems!
Suitable for 4th, 5th and 6th Grade Math.
Benefits & Features
- Learn / practice addition and subtraction with negative numbers
- Improve mental math skills
- Suitable for both individual work & classroom use
- Easy to use user interface