Zip through the multiplication then flip the pocket and zip through the inverse division. Learning multiplication, division, place value, fractions, decimals and more is fun with the Tutor Quik Pocket Slider and Math Zip Strips. Just slide the strip into the easy-to-cut-and-fold Pocket Slider and move it up to see the first equation. Calculate the answer and pull it up again. When the last equation is done, flip to practice the inverse function. Use all year long to build mental math agility and