Tree: Or Three?

: The 2nd edition includes a clear answer key and instructions designed for students working alone.

The "Tree or Three" method centers on mastering the subtle physical differences required to produce distinct sounds that often confuse learners. Tree or Three?

: Uses the voiceless dental fricative "th" sound (/θ/). It requires placing the tongue between the teeth and blowing air through. Recommended Practice Guide : The 2nd edition includes a clear answer

: There is a dedicated Teacher's Guide that provides extra guidance for classroom settings. It requires placing the tongue between the teeth

: Repeat pairs of words that differ by only one sound (e.g., "tree" and "three," "tank" and "thank," "tin" and "thin"). Diagnostic Questions : To check your own usage, ask: "How many?" → The answer is Three . "What is it?" → The answer is Tree (a plant). Resources for Further Study

To master these sounds, you can follow the structured approach used in the Student's Book :