Multiplication - Angry Ants

We read a story about 100 Angry Ants and how they tried to get to the picnic faster.
They started in a line of 100 ants

Then went to 2 lines of ____

Changed again to 4 lines of ____

Then again to 5 lines of ____

Finally they tried 10 lines of ____

Sadly when they made it to the picnic there was no food left!