October Numbers to 20 Math Mats are an interactive, hands-on, math activity to build number sense and engage your active learners in counting and writing numbers 11-20. Preschool, PreK, and kindergarten kids will count, build, trace, write, and find the number on a number line. Fall Halloween themed picture sets!1. Build and Count2. Trace the number3. Write the number4. Circle the number on the number line2 Levels are included for easy differentiation!Level 1: The number is represented wit