Free Printable! Snowball Sand Tray Numbers 1-20 Number Formation Cards Preschool and Kindergarten students can use these winter theme snowball number cards to practice number recognition and formation. These cards may be used in handwriting sand or salt trays to practice number formation, number order, and number lines. Great for sensory bins, morning work tubs, busy bins, early finishers, math centers, tot school, homeschool, and Montessori.
