Here are some helpful links:
Adult tips for stress/anxiety
A helpful video to share with kids from BrainPop:
For individuals and kids who want to try/enjoy guided imagery and mindfulness). The CALM app is usually a paid subscription, but it is offering a lot of free access to its content right now:
Wide Open School features a free collection of the best learning experiences and activities for kids, organized by grade band and subject (PK-12th grade). You will also find daily schedules with creative breaks and recommendations to keep kids engaged and exploring, one day (or one hour) at a time.