How to Use Chisanbop (Korean Finger Math) for Basic Addition and Counting eHow.com Difficulty: Easy Instructions Step 1 In Chisanbop you'll be using your two hands and ten fingers to represent numbers from 0 to 99. Start out with your hands out in front of you with closed fists. This represents 0. Each finger (not thumb) on your right hand represents 1. To represent 3, just press down three right hand fingers. Your right thumb represents 5. To represent 7, press down your right thumb and 2 right hand fingers. Think of your right hand as the ones or units place (column). Step 2 Your left hand represents the tens place (column). Each finger on your left hand is worth 10. For example, to represent 30, press down three left hand fingers. To represent 38, do the same, but also use your right hand to represent 8 as described above. Your left thumb represents 50. To represent 86, press down your left thumb and three left hand fingers for the 80, and your right thumb and one righ