Idioms are words or phrases that do not mean exactly what they say. Its meaning changes culture to culture, region to region. Therefore, it takes time and a lot of repetition and practice to understand idioms.So, encourage your students to learn a new idiom daily (or weekly). HOW DOES IT WORK? Every day put up a poster of an idiom, discuss it with your class, and have your class complete two writing tasks (slides included). After the 10th day, have students complete 5 worksheets related to the i