Review Starter Worksheet
https://www.tes.com/teaching-resource/simplifying-ratio-and-ratio-of-an-amount-6405295
PPT – https://drive.google.com/file/d/1CIhrW_yt_n1LWrDUIef3PJI4-dZpy_K2/view
Adapt this worksheet for 1:n form – https://www.tes.com/teaching-resource/ratio-simplifying-11722015