# How Many Left 1 Year 1 Lesson Slides

### Teacher Specific Information

These How Many Left  1 Year 1 Lesson Slides have been designed to teach pupils the necessary skills to solve simple subtractions by creating a number story and using the language of subtraction. The slides are accompanied by a teacher explanation and have interactive questions embedded within to check understanding.

This teaching slide show will be useful for children to watch at home or for extra support as part of an intervention, or whole class activity.

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### National Curriculum Objectives

Number: Addition and Subtraction
Mathematics Year 1: (1N1a) Count to and across 100, forwards and backwards, beginning with 0 or 1, or from any given number

Mathematics Year 1: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

Mathematics Year 1: (1C4) Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7=_________ 9