Lesson 1 Interpret Charts Watch the video and then have a go at the worksheet https://vimeo.com/432265669

Lesson 2 Comparison sum and difference Watch the video and then have a go at the worksheet https://vimeo.com/432265829

Lesson 3 Introducing Line Graphs Watch the video and then have a go at the worksheet https://vimeo.com/432265995

Lesson 4 Line Graphs Watch the video and then have a go at the worksheet https://vimeo.com/432266309