Coding
Free lessons and practice worksheets for coding.
Algorithms & Variables
Teaching algorithms and variables to 10th graders requires clear examples that show how code executes step-by-step. Students master these concepts when they can trace through variable updates like x = x + 5 and predict outcomes correctly.
3 min readCoding with Coordinates
Teaching coordinate systems through coding transforms abstract math into visual, interactive learning. Students who struggle with plotting points on paper often grasp the concept immediately when they see a sprite move from (0,0) to (5,3) on screen.
3 min readMathematical Modelling (Coding)
Mathematical modelling through coding transforms abstract formulas into executable logic that students can test and verify. When a grade 9 student writes `total = 50 + 8 * weeks` to model savings growth, they bridge mathematical concepts with computational thinking skills required by LK20.
3 min readSequences & Instructions
Students struggle with sequence tracing when variables change value through multiple iterations. Teaching sequences and instructions builds the foundation for programming logic that 85% of STEM careers now require.
4 min read