As the year is fast coming to an end you and your students might enjoy the puzzle calendar from Mathigon
Each day a new puzzle is released between now and Christmas.
Solutions are published the following day.
Mathigon now has 7 years worth of these for you to draw from.
The puzzles might also make good beginning of year activities for those early bitsy lessons
nrich
nRich have also shared an advent calendar with 24 days worth of problems to get ākonga working collaboratively and thinking mathematically.
They could do these at school or send them to the calendar link below and they could work on them with their whānau