KS2 Outdoor maths activities Fragonwood Grids: percentages and patterns aka Fragonwood Ground Grids. KS2 Primary school outdoor maths activities. Use as a Maths Outside activity. Using found materials or loose parts to make a pattern in a grid. Calculation of fractions of the grid and conversion to a percentage. Cross curricula activity can be developed as an expressive art activity. Five worksheets plus notes on equipment for Fragonwood Ground Grid creation. Fragonwood series of outdoor maths activities. Suitable for KS2. Can be adapted for indoor use with loose parts. Activities are designed in UK suitable for England and Wales new curriculum. Designed to be Low Floor High Ceiling with lots of opportunity for differentiation. Encourages mathematical discussion to develop mathematical vocabulary and confidence. Ideas can be used by FP with suitable support. Ideal for Catchup and home learning. Part of Fragonwood set of activities designed for outdoor maths.