Roll, Read & Write â Blockers (Glued Sounds)Help students master tricky âblockerâ sounds with this engaging phonics and spelling resource designed to strengthen decoding, encoding, and sound-symbol mapping skills. This resource focuses on the blocker sounds L, N, and R, which often change or âblockâ vowel sounds in words like: milk, walk, shark, wink, branch, and porch Students roll a die, read a word, and then write it, map the sounds, or use it in a sentence, helping them move from memoriza