doing word searches are just time fillers. And writing your “spelling” words in spirals or backwards is just plain stupid."
Knowing what the words mean can absolutely help with spelling. It also helps you figure out the meaning of unfamiliar or foreign language words. No more 'rainbow colored words' for homework!
http://theconversation.com/why-some-kids-cant-spell-and-why-spelling-tests-wont-help-20497