How to use INFOhio's BookFlix to practice. Dance Mat Typing - Elementary. INFOhio's BookFlix - Elementary. How to use INFOhio's BookFlix to practice. Google Chrome Simple Highlighter - Elementary, Middle, High. Place Value Number Line - Elementary, Middle. Placing Decimals on a Number Line - Elementary, Middle. Placing Numbers on a Number Line - Elementary. Measurement with Inches - Elementary, Middle. Measurement - Elementary, Middle. Measurement with Centimeters - Elementary, Middle. Measuring - Elementary, Middle.