In this objective, children will learn how to add the suffixes -able and -ible to a base or stem to form new words. Over five 20-minute lessons, they will:

Learn that suffixes -able and -ible are of Latin origin and carry the meaning "can be done"   Learn that suffixes -able and -ible can often function as adjectives.  Learn that we often choose suffix -able after a free base with an Old English origin Review suffixing rules and apply when combining a base or stem to suffix -able Learn that we need to keep the final silent when adding suffix -able if it is signalling a soft c or shift g in a base or stem  Explore word families  Learn that suffix -able is the most likely choice for free and bound bases infamilies that take suffixes that begin with vowel letter a. Learn that bound bases most usually take suffix -ible Investigate strategies to help choose between suffix -able or suffix -ible Explore etymology of some bound base Reinforce learning with practical games   Resources Included Editable PowerPoint covering 5 lessons (20 minutes each) Teacher guidance with optional activities Supporting worksheets including word sums and word families  Practical games including keep or drop and a word building investigation 2 fluency activities (with answers) 1 reasoning activity (with answers)

Updated to the Grammarsaurus Curriculum 2.0...