Question 1048205
add and subtract:
Red fish:
12+20-6+8 and caught the fish
Blue fish:
1+10-4+14 and caught the fish
The numbers adding indicate going down and the numbers subtracting mean going up.
Use your calculator or do it in your head -or on a piece of paper-. Just looking at it I can tell you the red fish descended 46 and the blue 21