If you would like to take it easy over the weekend, I don't think you need to hold classes (next week).
ご質問ありがとうございます。
"If you would like to take it easy over the weekend,"=「週末はゆっくりされたいのであれば」
(又は、"If you would like to rest over the weekend"もOKです)
"I don't think you need to hold classes (next week)."=「(来週は)授業を開講しなくても良いと思います。」
ご参考に。
If you want to just relax on the weekend, maybe you don't need to teach any classes on Saturday and Sunday.
この場合、次のような言い方ができますよ。
ーIf you want to just relax on the weekend, maybe you don't need to teach any classes on Saturday and Sunday.
「週末ゆっくりされたいなら、土日にクラスを教える必要はないんじゃないですか?」
to relax on the weekend で「週末ゆっくりする」
ご参考まで!