VC2E5LY05

explore less common plurals, and understand how a suffix changes the meaning or grammatical form of a word

• using knowledge of word origins and roots, and related words, to interpret and spell unfamiliar words, and learning about how these roots affect plurals, for example ‘cactus’ and ‘cacti’, and ‘louse’ and ‘lice’
• understanding how some suffixes change the grammatical form of words, for example ‘-tion’ and ‘-ment’ can change verbs into nouns, such as ‘protect’ to ‘protection’ and ‘develop’ to ‘development’