Find Containers 1. Do some research to find a prism container with measurements labeled on Google and take a snipped screen shot of the image. 2. Tap the add button 3. Tap the file button to add your image of your container (try to find ones that have the labels already on them like the examples). 3. Take some time to calculate the volume. 5. Tap the microphone or the Caption button and record how you found the volume. 6. Tap the check to add to your portfolio.