Remember: Helpful details are signal. Extra details are noise. Class words: Remove the noise.
For science class, Omar and his partner needed a poster about the water cycle. Omar bought blue paper, green markers, and shiny stickers shaped like raindrops. He worked at the kitchen table after dinner while his cat sat on a chair nearby. On Wednesday morning he carefully rolled the poster and put a rubber band around it. At school he waited by the art room because that is where they usually meet. Ten minutes later his partner still was not there. Omar checked the group chat and saw the message from last night: they were supposed to meet in the library, not the art room. Omar had read the message too quickly and remembered the wrong place.
These details are noise. You can delete them and still understand the story:
These details are signal. Keep them — they tell us what really happened:
One sentence only: Omar went to the wrong meeting place because he read the group message too quickly.