Step3_Lesson19_Diphthongs (_oi_, _oy_)

Lesson 19 of 4 Step Phonics introduces the diphthong sounds 'oi' and 'oy'. The lesson explains how these sounds are formed when the letters 'O' and 'I' or 'O' and 'Y' are combined. Students learn to pronounce and identify words containing these sounds, such as 'coin', 'noise', 'voice', 'join', 'boy', 'enjoy', 'royal', and 'toy'. The lesson includes interactive tests and a story to reinforce learning. The session concludes with a review and a true or false test to assess understanding.

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