Easy
4
SQUARE
×4
+18
HALVE
+13
÷3
−11
×5
−1
Medium
35
+1
÷3
+6
×5/9
HALVE
SQUARE
DOUBLE
+4
÷9
Hard
68
+4
×2/3
HALVE
−12
×25%
+1
×41/2
+3
÷7
There are two versions that can be printed, a default one, and one that requires less ink (no objectives or rules, and no lines).
default less ink printing help