In this objective, children will learn how to add the prefix de- to bases. Over three 20-minute lessons, they will:

Learn that prefix de- adds a sense of “removing, reversing or reducing” to the base or stem that it combines with
Learn that combining prefix de- with nouns often turns them into verbs when added to a sentence
Solve word sums
Use words with the prefix de- to complete sentences
Explore base 'part' and the stem 'flate' and their word families
Add the new prefix and other morphemes to bases to make new words
Recognise the difference between bound and free bases that combine with prefix de-
Learn the etymology of new bound bases

Resources included:

Editable PowerPoint covering three lessons (20 minutes each)
Suggested lesson plans with optional activities
Optional homework tasks
Two fluency activities (with answers)
A reasoning activity (with answers)
...