p.3 — word building, one sound swapped at a time. 0 words, 25.0 minutes.
Open your mouth WIDE and pull your lips back like a big smile. Tongue low and forward — /a/, as in 'cat'.
They check it: Hand under your chin: this is the one where your jaw drops the most. Mirror: widest smile of the five.
Not in Arabic, Somali, Urdu. For those children this is a new physical skill, not a reminder. Do not let the column start until the mouth can make it.