Try Nearpod to allow interaction with your presentation
Create a free ‘silver’ account at http://www.nearpod.com The Nearpod app is available at the iOS, Google and Windows app stores.
Teachers create an interactive presentation, which they then share with their learners. Students can see and interact with the presentation on their devices, which is controlled by the teacher. The teacher can monitor the students progress on their own device.
(Image from Nearpod.com)
(Image from the Windows app store)