9780008161682

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Prefixes Learning objective We are learning that prefixes can be added to the beginning of root words.

What pupils already know Pupils should already have encountered prefixes and be able to give some examples.

Key vocabulary prefix, root word

Teaching notes • Ask pupils to define a prefix. Discuss and share examples. Examples: Write the following on the board: national = root word

inter- = prefix.

Elicit that when put together they make the word international. Ask pupils to explain the difference in meaning between national and international. Tell pupils that prefixes change the meaning of the root word. Show pupils the word appear. Ask pupils what this word means. Ask pupils to think of a prefix to add to appear which will change its meaning. Give them the opportunity to respond before displaying the words disappear and reappear. Ask pupils to identify the prefix in each of these words. Discuss the meaning of each prefix. Repeat the above with the words visible (invisible) and legal (illegal). Discuss the different prefixes to those two root words, and point out that those prefixes will not make sense when added to appear. Discuss the meaning of other prefixes, for example: dis-, un-. For pupils: Steps to success 1. Ensure you know how to spell the root word. 2. Say the word with the prefix added, then write it. 3. Does the word makes sense (have you heard it before), and does it look correct when written?

Independent activity Refer pupils to the Year 5 Spelling Pupil Book, pages 6–7.

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