Numeracy Resources

https://stevewyborney.com/2017/02/splat/

https://buildmathminds.com/

https://www.mashupmath.com/freemathpuzzles

https://www.learningtrajectories.org/learning_trajectories  (lots of free lessons, videos, resources; sponsored by the Bill & Melinda Gates foundation)

https://www.peterliljedahl.com/teachers/numeracy-tasks