Practice📖 Learn the rule first ▸
Sums & dots
X & V
V joins cells summing to 5; X joins cells summing to 10.
Tips
- ◆V pair sums to 5: it's 1-4 or 2-3.
- ◆X pair sums to 10: 1-9, 2-8, 3-7, or 4-6.
- ◆5 can't sit on an X (no partner); a pair never repeats a digit.
Drills