Give your children a good foundation when starting to teach about subtracting numbers to 20 with this ready-made Year 1 Subtraction - Crossing 10 Modelling PowerPoint.

Ideal for whole-class teaching, this PowerPoint starts with an introductory question and then moves learning on with a mixture of varied fluency and reasoning and problem-solving questions, all designed to teach the necessary skills and build confidence when counting backwards.

Complete with answers for immediate feedback, this PowerPoint is the perfect way to start teaching this new topic and is supported by our range of other resources covering the same concept, including homework and discussion problems.