Odkazy na procvičování
28. 6. 2018
http://www.roomrecess.com/pages/SnowballFight.html
https://www.mathplayground.com/brain_workouts/brain_workout_01_addition.html
https://www.topmarks.co.uk/ordering-and-sequencing/caterpillar-ordering
https://www.topmarks.co.uk/ordering-and-sequencing/coconut-ordering