Finger Abacus Level 1 Full Course-Abacus Maths With Finger -Finger Maths Full Course-ABC Tube TV

Finger Abacus Level 1 Full Course-Abacus Maths With Finger -Finger Maths Full Course-ABC Tube TV
Hello Friend,
This is finger abacus level 1 full course tutorial.In this video tutorial i am teaching how we can use our hands fingers as an abacus?How to count numbers 0 to 99 with the help of the fingers. how we do direct addition and subtraction with the help of fingers.What are small friends addition case formula and what are negative case small friends formulae. how and when we need to apply small friends formula to do calculation.
What are big friends addition case formulae and what are negative case big friends formulae. how and when we need to apply big friends formula to do calculation. What are combination friends addition case formula and what are negative case combination friends formulae. how and when we need to apply combination friends formula to do calculation.
Small Friend Formulae for Addition Case are
+4=+5-1
+3=+5-2
+2=+5-3
+1=+5-4
Small Friend Formulae for Negative Case are
-4=+1-5
-3=+2-5
-2=+3-5
-1=+4-5
You will learn all these formulae with examples
Big Friend Formulae for Addition Case are
+9=+10-1
+8=+10-2
+7=+10-3
+6=+10-4
+5=+10-5
+4=-+10-6
+3=+10-7
+2=+10-8
+1=+10-9
Big Friend Formulae for Negative Case are
-9=-10+1
-8=-10+2
-7=-10+3
-6=-10+4
-5=-10+5
-4=-10+6
-3=-10+7
-2=-10+8
-1=-10+9
You will learn all these formulae with examples
Combination Friend Formulae for Negative Case are
-9=-4+5-10
-8=-3+5-10
-7=-2+5-10
-6=-1+5-10
Combination Friend Formulae for Positive Case are
+9=+4-5+10
+8=+3-5+10
+7=+2-5+10
+6=+1-5+10

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Finger Abacus Level 2 Tutorials:

Finger Abacus Level 1 Topic wise tutorial:

What is big friend formula and how to apply it :

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