In the English language, if you simply wrote words the way they sound, you would come up with some very peculiar spellings.
Learning rules: The easy way to spell a word is to know the spelling rules. Start with basic rules and build your spelling skills gradually. As you learn new words, you can proceed with more rules. If you find it difficult to spell certain words, you can try finding out if the spelling follows any rule.
Identify commonly misspelled words: There are certain words that have a high chance of getting misspelled. Some of the examples are across, believe, weird, foreign, etc. Sometimes, these words create a lot of confusion while spelling them.
List out the words you find difficult to spell: If you come across a word whose spelling is difficult to remember, you can list out such words and practice again and again. Use different methodology to teach such words so that children will remember the spellings.
Practice dictation: Dictation is one of the best ways to learn to spell. Parents and teachers must take dictation tests for children to assess their spelling skills. Also, one can play word games. This way, they will enjoy learning new spellings every day.