Rainbow Poster showing how development of sounds in speech

Rainbow Poster showing how development of sounds in speech
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This poster is to assist teachers and parents as they consider the development of sounds in speech. The sounds recorded in the RED band are the first sounds to appear. Those sounds in the PURPLE band tend to be the last to appear, and often not fully until a child is 7 years of age. This shows the NORMAL pattern of development. Sometimes, however, children develop sounds in atypical patterns. It is not that they are simply delayed, but a particular class of sound presents difficulties.
On the RAINBOW we have helped identify classes of sounds-
Hard sounds or PLOSIVES tend to be easiest- they are indicated by a solid line.

Blowy sounds or FRICATIVES often present a problem and can sometimes be associated with issues re hearing-they are represented on the rainbow by a zig zag line.
Other sounds are almost a combination of the two- a HARD and BLOWY sound together and are known as AFFRICATES- they are represented by a solid line interrupted by zig zags.

Still again some sounds are made by the tongue moving from one position to another - they are called LIQUIDS or GLIDES, and are represented by a wavy line.

This poster can help teachers work out what sounds or types of sounds children are having difficulty saying. If they then consider what sound the children are using instead of the target sound, it will really help them begin to understand what the child is trying to say.

This information will also help you liaise more knowledgeably with speech and language therapists.
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