These cards were designed to help the preschool and kindergarten aged child learn the numbers 10-20. The teen numbers can be tricky to learn and these writing the number mats help the learning to be fun!
(These writing mats are an add-on to the tracing mats.)
You can laminate them, cut them out, and then use a dry erase marker to practice writing the numbers and tracing the words. You can also use these mats for counting by using any object or the child's finger to count. This feature is a built in "control of error" for the child to correct themselves.