This page includes a lesson covering
Reflection Over The X and Y Axis: The Complete Guide — Mashup Math
Reflecting a Shape in the Y-Axis Using Cartesian Coordinates (Key Stage 3)
Summer Coordinate and Reflection Mystery Picture Worksheet
Reflection transformations, Transformation geometry
Reflecting shapes (article), Reflections
If you reflect a triangle from the x-axis then y-axis, will the image be the same as if you did the reflections in the opposite order? - Quora
Reflecting a Shape in y = −x Using Cartesian Coordinates (Key Stage 3)
Coordinate Worksheets
Reflecting a Shape in the Y-Axis Using Cartesian Coordinates (Key Stage 3)