Articulation Therapy: Teaching the M and N Sounds

May 8, 2018
5 min read

Updated: Jul 1

The sounds /m/ and /n/ are voiced nasals — meaning air flows through the nose as the vocal cords vibrate to produce them. When a child misarticulates these sounds, a speech therapist can help by first building an understanding of how the sounds are formed, then establishing them, and finally strengthening and generalizing them across sounds, words, and full sentences.

Here's a practical, step-by-step breakdown of how these two foundational sounds are taught in articulation therapy — useful whether you're a parent practicing at home or simply want to understand what your child's speech-language pathologist is working on.

How Are the /M/ and /N/ Sounds Produced?

Both /m/ and /n/ are voiced sounds, meaning they require the vocal cords to vibrate — something you can actually feel as a slight vibration at the neck when either sound is made.

For /m/: the lips press together lightly while air flows out through the nose. The tongue stays relaxed at the bottom of the mouth.
For /n/: the lips separate slightly while the tongue tip touches just behind the upper front teeth. Air flows through the nose, just like with /m/, and there's the same vibration at the throat.

The /m/ sound is usually one of the first sounds a baby produces — think "mama" — so it's often taught early on, alongside /p/ and /b/. The /n/ sound tends to take a little longer to develop and is typically introduced after /m/ is established.

How to Establish the /M/ Sound

This is a genuinely fun sound to work on with kids, mainly because the lip movement is so easy to see. A few activities that help:

Use a mirror. Let your child watch their own lips move as they say /m/. A gentle touch cue on the lips can help guide them to press their lips together lightly.
Practice humming. Use a simple tune or a continuous tone, and let your child hear and feel the vibration — both at the throat and around the nose.
Play a back-and-forth humming game. Take turns humming the /m/ sound, either matching each other's length ("mmm") or turning it into a friendly competition to see who can hold the hum longest. Keep encouraging light lip closure and steady voicing throughout.

Note: Before working on production, your speech therapist may first help your child learn to listen for and differentiate the /m/ sound from similar sounds like /p/ and /b/. Ask your therapist whether this step is needed for your child and how best to approach it.

How to Establish the /N/ Sound

Like /m/, the /n/ sound relies on voicing. A couple of activities that help build it:

Teach tongue placement. Place a small bit of sticky food (like a dab of nut butter or a soft treat) just behind the upper front teeth, and encourage your child to remove it using only their tongue. This helps them physically feel where the tongue needs to go.
Add the nasal airflow. Once tongue placement feels familiar, encourage your child to let air flow through the nose. Have them place a finger just under their nose to feel the airflow directly — this can take some practice, so pair it consistently with visual feedback (a mirror) and tactile feedback (the finger cue).

Note: As with /m/, your therapist may first work on helping your child distinguish /n/ from similar sounds like /m/ and /th/ before moving to production. Check with your speech-language pathologist about whether this step applies to your child

Building the Sounds from Syllables to Conversation

Once /m/ and /n/ are established on their own, the next step is connecting them to vowels and consonants to build syllables — the real foundation for using these sounds in longer speech. Articulation therapy typically progresses through four stages: syllables, words, sentences, and finally spontaneous conversation.

Practicing at the Syllable Level

Pair the target sound with a vowel, either before or after it. A syllable wheel is a great visual aid here, and turning practice into a game keeps kids engaged.

Build meaningful syllables tied to pictures — /m/ + /oo/ becomes "moo," paired with a picture of a cow. /n/ + /ee/ sounds like "knee." The vowel /i/ with /n/ becomes the word "in."
Try playful, meaningless sound combinations too — grab a toy microphone and "sing" different syllables like mi, im, am for your child to imitate.

Practicing at the Word Level

Once your child handles the sound well within single words, move on to short two- to three-word sentences before building up to longer sentences and short stories. For example, when practicing /n/: "Nine noses." "My niece has seen many menus." "New neighbors are nice to know and meet."

Make it playful:

Hopscotch with a twist: Draw numbered hopscotch boxes, and pair each number with a target sentence. When your child lands on a number, they read (or imitate) the matching sentence.
Draw it out: Pick a target phrase — like "monkey eating mangoes" for /m/ — and have your child draw it, then build more sentences from the scene: "The many monkeys were eating mangoes. The monkeys were eating their mangoes and moving around."

Books are another great tool for practicing words and sentences — even children who can't read yet can repeat lines read aloud by a parent or therapist, using the pictures for support. A few favorites for practicing /m/ and /n/ sounds: Hand, Hand, Fingers, Thumb (Al Perkins), Goodnight Moon (Margaret Wise Brown), and Five Little Monkeys Sitting in a Tree (Eileen Christelow).

Practicing in Spontaneous Conversation

The final and most important step is moving from rehearsed sentences into natural, spontaneous conversation. During everyday interactions, gently guide your child when their articulation slips — and if mistakes become frequent, it's fine to step back and revisit sentence-level practice for a bit.

A maze game works well here: draw (or print) a simple maze leading to a "house," and have your child talk you through the route using directional language and description. Keep it conversational — ask for clarification ("I didn't quite get that, can you say it again?") or follow-up questions ("Where next? Are you sure?") to naturally extend the conversation and give your child more opportunities to practice.

When to Seek Professional Speech Therapy Support

If your child continues to struggle with /m/, /n/, or other sounds beyond typical developmental milestones, a certified speech-language pathologist can help pinpoint exactly what's happening and build a personalized plan. Early, consistent intervention makes a real difference in speech clarity and overall communication confidence.

Book a speech and language screening with 1SpecialPlace to get a clear picture of your child's articulation needs.