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Using Forward and Backward Chaining to Teach Consonant Clusters in Speech Therapy  

Finding the right cueing strategy for each child can be challenging when teaching consonant clusters (blends) in speech therapy. Forward and backward chaining offer structured, step-by-step methods that help children build up the sequence of sounds in clusters, particularly when other cueing methods haven’t clicked. Chaining can also enhance multisensory approaches, such as visual and metaphor cues, by breaking down the sequence into smaller, manageable parts. 

forward chaining

A sequence of cartoon illustrations showing a green snake followed by a blue bird labelled "wing," an equals sign, and two children on a swing set labelled "swing."

Forward chaining starts with the initial sound of a word and gradually adds each subsequent sound. For example, if you’re teaching a child to say “fridge,” you would model and help them hold the “ffff” sound before smoothly blending it with the following sounds.

This type of chaining is effective for children who need guidance in starting correctly and then “stacking” the next sounds in sequence. It’s important to avoid adding any pauses between sounds, as this could unintentionally create an incorrect motor plan.

Forward chaining works well when you want to ensure that the first sound in a cluster is established clearly and connected naturally to the rest of the word. 

backward chaining

A sequence of cartoon illustrations showing three blue birds labelled "wing," followed by a green snake, with an arrow pointing to two children on a swing set labelled "swing."

Backward chaining, on the other hand, involves starting with the final sound or syllable of a word and working backward. For example, when teaching “bread,” you would begin with “red,” repeating it until the child is comfortable, then add the “b” sound at the beginning to form “bread.”

This approach can be helpful for children who struggle with the second sound within the consonant cluster, allowing them to practice the end of the word and then add the beginning.

Backward chaining gives the child a sense of completion with each attempt and can reduce frustration, as they are gradually building from what they already find easier. 

When do you use forward & backward chaining?

Both chaining methods are particularly useful when a child tends to omit or reduce sounds in clusters, or when they need additional support with motor planning. This includes:

  1. Students with the phonological pattern of cluster reduction
  2. Children with Childhood Apraxia of Speech
  3. Students who you are using minimal pairs, cycles approach, complexity approach, or multiple oppositions to teach consonant clusters 

Whether you’re starting from the beginning or the end, the goal is to create a smooth, accurate sequence of sounds that the child can produce consistently. By beginning with what the child can already say, chaining provides a clear, structured path toward mastering consonant clusters. 

An educational graphic titled "MULTISENSORY CUES TO HELP SAY /s/ CLUSTERS" featuring the "SK CLUSTER" help sheet.
An educational graphic titled "'L' CLUSTER HELP SHEETS" featuring multisensory cues for practicing /l/ clusters.
An educational graphic titled "'R' CLUSTER HELP SHEETS" featuring multisensory cues for practicing /r/ clusters.
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Picture of Hi I'm Rebecca

Hi I'm Rebecca

I encourage SLPs to feel more confident treating speech sound disorders, and make faster progress with their students.

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