Unit 4 · Blending Bay

Two letters, one sound — and words start getting longer.

Digraphs sh, ch and th, then initial and final blends. Children sort, build, climb word ladders and read a story that uses every pattern taught.

340Stars820Coins4Day streak
Blending Bay 16% complete0 activities finished this sessionStory library

Swipe to see all 6 activities

sh · ch · th

Digraph Detective

1 of 3
sh

Two letters, one sound. Find the word that starts with it.

Blending Bay only introduces a blend once its single letter-sounds are secure from Units 1 and 2, so children are always decoding rather than guessing.

Skill sequence

  1. 01Digraph sh / ch / thMastered
  2. 02Digraph ReadingIn progress
  3. 03Initial Blends (st, fl, cl, tr)In progress
  4. 04Final Blends (nd, mp, st)Ready to play
  5. 05Blend & Digraph SpellingReady to play
  6. 06Word LaddersReady to play
  7. 07Decodable Story — blendsReady to play
  8. 08Mastery QuizReady to play

Adaptive difficulty engine

Current level 1 of 3Session accuracy 0% · 0 answers
  • Step up3 correct in a row

    Step up one level (longer words, fewer picture clues)

  • Step down2 wrong in a row

    Step down one level and replay the model audio

  • HoldAccuracy 60–85%

    Hold the level — this is the productive struggle zone

  • HoldResponse time doubles

    Shorten the session and offer a movement break

  • Step upLevel 3 mastered twice

    Mark skill mastered and schedule spaced review

Live in this demo: every answer you give moves the level, and the games change length, timing and picture support to match.

Mastery & spaced review

Digraph recognition62%
Initial blends48%
Final blends35%
Blend spelling41%

Mastered items return after three, seven and fourteen days so gains stick.