Name: Abacus | Combination Friends Formulas (+60=+10-50+100) Concept with examples- Abacus Level 2
Uploaded: 2026-04-22T11:50:03.404Z
Duration: 5 min 49 s

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Abacus | Combination/Mixed Friends Formulas (+60=+10-50+100) Concept with examples- Abacus Level 2

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#Abacus level 1
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#Big Friend Formula
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#smallfriend 
#biggboss 
#combination 
#friends 
#abacusforkids
#fingermath
#math
#mathematics
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#mathskills
#mathteacher 

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Finger Abacus Level 2 Tutorials:

Count Numbers 100 to 199: https://youtu.be/SIo9mW7WXzU
Small Friend Addition Formulas: https://youtu.be/wBZO0ZAOeoY
Small Friend Formula for adding 40: https://youtu.be/CAUVARSPpLk
Small Friend Formula for adding 30: https://youtu.be/NZ3NV9wzkjU
Small Friend Formula for adding 20: https://youtu.be/lyWEFWOEpgg
Small Friend Formula for adding 10: https://youtu.be/Et08JRo5rwI

Finger Abacus Level 1 Topic wise tutorial:

How to represent 0 to 9 on your hand and direct addition and subtraction: https://youtu.be/czjsJG6FuDA

How to represent 10 to 99 on your hand and direct addition and subtraction: https://youtu.be/A5r1J98KoQs
What is big friend formula and how to apply it :
big friend formula to add +9 =https://youtu.be/6sCp9D2ZFN0
 big friend formula to add +8=https://youtu.be/8whkE0dZONA
big friend formula to add +7 =https://youtu.be/TxdyxxzUIWM
big friend formula to add +6: https://youtu.be/UoOOFAZZ0Sc
big friend formula to add +5: https://youtu.be/OKOMpmzlw8I
big friend formula to add +4= https://youtu.be/3_47l4alN7g
big friend formula to add +3: https://youtu.be/uD3rgpQ6SF8
big friend formula to add +2: https://youtu.be/N7uMm0x1QPk
big friend formula to add +1: https://youtu.be/HjxAycayr7Y
big friend formula to subtract -9 =https://youtu.be/3y8vEAMNP8A
 big friend formula to subtract -8=https://youtu.be/Zs08oPAN0IA
big friend formula to subtract -7 = https://youtu.be/qJqcJIwmIxo
big friend formula to subtract -6: https://youtu.be/IBk-h7U5NmY
big friend formula to subtract -5: https://youtu.be/pjSCr6iAAdo
big friend formula to subtract -4= https://youtu.be/IEAESpU2iNM
big friend formula to subtract -3: https://youtu.be/EYIjjEapikE
big friend formula to subtract -2: https://youtu.be/rfNoVIkSzO4
big friend formula to subtract -1: https://youtu.be/UXwfX58WdpI

Small friend formula to add +4: https://youtu.be/OcgRvHxsaMo
Small friend formula to add +3: https://youtu.be/d8oV8hJ_QxM
Small friend formula to add +2: https://youtu.be/p1dCxJFbEn4
Small friend formula to add +1: https://youtu.be/tadZEut1Gkk
Small friend formula to subtract -1: https://youtu.be/LARsKO9dVWE
Small friend formula to subtract -2: https://youtu.be/0pbMo2w8H9w
Small friend formula to subtract -3: https://youtu.be/0pbMo2w8H9w
Small friend formula to subtract -4: https://youtu.be/jLGV4sSUl-A

Combination friend formula to add +9: https://youtu.be/19nHY3fww2o
Combination friend formula to add +8: https://youtu.be/7_Psgdx67Gc
Combination friend formula to add +7: https://youtu.be/TpZeyjtFm3Y
Combination friend formula to add +6: https://youtu.be/iLqI-5HNnj4
Combination friend formula to Subtraction -9: https://youtu.be/tICFlEF9wtM
Combination friend formula to Subtraction -8: https://youtu.be/SljJofRqmvk
Combination friend formula to Subtraction -7: https://youtu.be/lqPY9i3uWS8
Combination friend formula to Subtraction -6: https://youtu.be/-kwcGNWVmXY


for more video you can visit 
finger abacus zero to hero playlist : https://www.youtube.com/playlist?list=PLZ67c1-XfKx578GRFv4pjW1h6VcCZ1l_n
 and finger abacus playlist : https://www.youtube.com/playlist?list=PLZ67c1-XfKx44ts2ogMbst4vsnguaRzRr