Across
- 3. You must find this when you subtract.
- 4. When you take way in maths.
- 5. A train that travels underground.
- 6. Kind people do this, but be careful with germs!
- 7. To make sure both people are happy.
Down
- 1. What you put on.
- 2. When something gets bigger.
- 6. Transport on water.