Then we rolled a 1-6 dice and the students had to put the number anywhere they liked. When I got 9 numbers and all the boxes were filled you had to sum up the three-digit numbers. Anyone who received a total closest to 1000 won.
Christoffer sums up.
Look how happy Linn was when she won the sum 998.
It was a very popular practice and the class said "one more time ..." so we spent some time with this amazing exercise. I heard several comments that "this was great", "can we do this throughout the lesson?" So it was a success!