Scratch Book Videos How to teach primary programming using Scratch page under construction Teacher videos to go with the book Math Quiz Module 1 Year 4 Section 2-6 Building Scratch Code Section 4 Understanding Algorithm to Code Section 6 Unplugged Variables Section 7b & 7c Broadcasts Explained Slug Trail Game Module 3 Year 4 Section 1-7 Building Scratch Code Selection Investigation Module 4 Year 4 Section 2-7 Building Scratch Code Counting Machine Module 1 Year 5 Section 2 Hints for discovering how to change a variable inside a loop Section 2 Hints for discovering how to change a variable inside a loop demo