If you're looking for a subtraction PowerPoint that includes fluency, reasoning and problem-solving questions, look no further. Our Year 1 How Many Left Modelling PowerPoint provides you with a range of engaging questions, complete with modelled answers. Choose to use all slides or simply pick the ones you need, this resource works for all. Children will practise taking away using the crossing out method whilst representing their answers in part-whole models and number sentences. This PowerPoint can be used to support main class teaching or as part of small group or intervention work.