Sound swap: what children learn
Sound swap explores how changing one sound changes a word. Children begin with a printed word, listen to a new word and replace just the highlighted tile. Each normal game draws six changes from a pool of ten. Examples include cat to cap, cap to cup, cup to pup and dog to log. Pick first, middle or last sound for a focused practice session.
Supports part of Common Core RF.K.2.e through a small set of familiar words. Uses British-English whole-word audio; teachers can model their local pronunciation.
Common Core connection: RF.K.2.e. This is focused practice for part of the standard.
How to play
Listen to the word, choose sound tiles and check your spelling. There is no timer. Complete six words. Listen as often as you like. Show the word for help; stars count words solved first time without that help.
Step by step
- Read the starting word. Say the printed starting word. Hear starting word gives extra support.
- Listen for the change. Tap Listen to hear the new word. Compare the two words aloud and notice which sound changes.
- Swap one tile. Choose a tile for the highlighted position, then check. The other two tiles stay fixed. Replay either word if needed.
Worked examples
Example 1: Change cat into cap.
Working: The first two sounds stay the same. Replace the final t with p.
Answer: cap
Example 2: Change cap into cup.
Working: The first and last sounds stay the same. Replace a with u.
Answer: cup
Example 3: Change pan into fan.
Working: The last two sounds stay the same. Replace the initial p with f.
Answer: fan
Common mistakes and how to fix them
- Reading only the starting word. Tap Listen to hear the target word; the task is to make that new word.
- Trying to change a fixed tile. Only the highlighted position changes. Say both words to notice why the other sounds stay the same.
- Ignoring the middle vowel. Compare cap and cup slowly. The consonants match but the vowel changes.
Activities to try at home
- Play alongside your child and choose words using correspondences already taught at school.
- Use letter cards or magnetic letters to repeat two or three examples away from the screen.
- Print the practice sheet. Keep the answer page separate and read its numbered words aloud while the child completes the matching tasks. Check together afterwards.
Ideas for the classroom
- Use a short session with a small group whose taught correspondences match the word set.
- Ask students to explain which sounds they hear and which graphemes represent them.
- Use mistakes to decide what to revisit; the game is extra practice and is not a screening or diagnostic assessment.
Free printable game and worksheet
Print the six-word practice sheet and answer page. A grown-up reads the words aloud for spelling practice; no device or audio service is needed.
Open the free printable game and worksheet
Frequently asked questions
How should I choose this game for my learner?
Supports part of Common Core RF.K.2.e through a small set of familiar words. Uses British-English whole-word audio; teachers can model their local pronunciation.
Can children replay the word or ask for help?
Yes. There is no timer and Listen can be used as often as needed. Show the word reveals the answer for supported practice.
How are stars earned?
The normal six-word game counts words solved on the first check without Show the word. Listening again does not reduce the score. Focused practice sessions do not change saved stars. All words can still be completed with support.
Does the voice teach individual sounds?
No. Marin says whole words and instructions. Use the pure phonemes and teaching sequence modelled at school.