Abacus Mental Math Ep.4 - Adding and subtracting numbers on the Abacus without rules (中文 sub)

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✅ Chinese & English Captions available

♠️One of best learning options in the summer break
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🧮 More video about MissAbacus :
Ep.1 "Intro to Channel" : https://youtu.be/UAAUax7tj9A (中文)
Ep.2 "How to read numbers on abacus" : https://youtu.be/2wGuUTpuJbE
Ep.3 “How to clear your abacus beads to a “0” position ?" : https://youtu.be/ww-KrEAHuMk
Ep.5 "10's rules : +9,+8,+7,+6" : https://youtu.be/tZii1mpN1A8
Ep.6 "10's rules : +5,+4,+3,+2,+1" : https://youtu.be/K209MJQclpE
Ep.7 "10's rules : -9,-8,-7,-6" : https://youtu.be/zQoG65ljauo
Ep.8 "Finger Abacus &10's rules : -5,-4,-3,-2,-1" : https://youtu.be/gltrerZZHnw
Ep.9 "5's rules : +4,+3,+2,+1" : https://youtu.be/lyukZpAkyQY
Ep.10 "5's rules : -4,-3,-2,-1" : https://youtu.be/00cmcqUVM2Y
Ep.11 "Combo rules : +9,+8,+7,+6" : https://youtu.be/C6pb31ikhd8
Ep.12 "Combo rules : -9,-8,-7,-6" : https://youtu.be/6_Z8Da9D_J8
Ep.13 "Review Common Rules" : https://youtu.be/PCQ6ky1I2Ao

📚Homework:
Worksheet 1-
https://abacusclassroom.com/file/e4/Abacus-no-rules-1.pdf

Worksheet 2-
https://abacusclassroom.com/file/e4/Abacus-no-rules-2.pdf

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( United Abacus Arithmetic Association )美國珠心算聯合會
http://uaaa-global.org

Видео Abacus Mental Math Ep.4 - Adding and subtracting numbers on the Abacus without rules (中文 sub) канала MissAbacus