Give this as a handout or better yet post it on your website for students to access and fill in digitally (SAUVONS DES ARBRES!).
Use in the computer lab on a block day (individually or with a partner) or have students do it as homework.
They can then e-mail you their results or print the document out for you to check.
Kids STILL needing EXTRA HELP? Fill out the TUTORING HOURS section on the handout so that everyone is very clear about when they can come in for extra review.