Please see below for the teaching slides and question sheets for each lesson:

Lesson 1 Fact families, video link: https://vimeo.com/468562019

Lesson 2 Counting back, video link: https://vimeo.com/469739683

Lesson 3 Find the difference, video link: https://vimeo.com/470964093

Lesson 4 Find the difference, video link: https://vimeo.com/470964398

Lesson 5 Comparing addition and subtraction 1 and 2,  video links: https://vimeo.com/470964866 &  https://vimeo.com/471435966