Numbers 0-6, "MT" for making ten, "D" for doubles and the math operation symbols for addition, subtraction, division, and multiplication are placed on football helmet images to be printed on thick stock, cut out with scissors, and used with Whiz Kids Football Playing Surfaces for a variety of activities. Helmet images with no numbers or symbols are included so you may insert other numbers and/or symbols. For activities and for lesson ideas you may follow me on Twitter @WhizKidsSports.