These ready-to-print maths worksheets provide number drills for children aged 4–10 (EYFS through KS1 and into KS2), covering addition, subtraction, multiplication, and division across a range of difficulty levels. They are designed to work with the free Redmarker app. Simply point your phone camera at a completed worksheet and the app marks it instantly — showing green ticks for correct answers and highlighting mistakes in red. Teachers using Redmarker report saving 80–90% of the time they previously spent marking by hand. See it in action (50 seconds): https://youtu.be/fGvizmmG8YA?si=XBb6TCKquUoMrb7N How to use this resource: Print the blank worksheets for pupils, then use the free Redmarker app to mark them in seconds. What’s included in this pack: 6 blank worksheets ready to print and hand out: A001 A002 B001 C001 C002 D002 4 demo worksheets pre-filled with a realistic mix of correct and incorrect answers: DEMO-A001-mixed DEMO-A002-correct DEMO-B001-mixed DEMO-D002-mixed The demo worksheets mean you do not even need to print anything to try Redmarker. Simply open a demo worksheet on your computer or tablet, point the Redmarker app camera at the screen, and watch it mark the work in real time. The process takes around 10 seconds and gives you an immediate preview of how the app works in practice. How it works: Download this pack and open a demo worksheet on screen (or print a blank worksheet for pupils) Open the free Redmarker app on your phone (iOS or Android) Point the camera at the worksheet Redmarker marks the work, organises results by pupil, and tracks progress over time No special paper. No special pens. Just your phone and the worksheets you already use. Download the app iOS: https://apps.apple.com/us/app/redmarker/id6759429900 Android: https://play.google.com/store/apps/details?id=com.learningscope.redmarker