Preschool Vibes on Instagram: "This is how I review letters. Each time we learn a new letter, that card gets added to our review pile. I keep uppercase and lowercase in separate piles and choose one or the other to review at the end of most days. It takes about a minute, depending on how many letters are in the pile. We either sing our review song or use the motions that match each letter to keep it quick and meaningful.#Inverted"