Live Abacus Class Level 1 - Abacus Big Friend Addition Formula + 5 = -5 + 10, Lesson-21

📘 Abacus Big Friend Addition Formula +5 = -5 + 10【Level 1】Lesson-21 🔷 Welcome to Skills Learning Abacus Classes! 📍 In this Lesson-21, we will learn the Big Friend Addition Formula +5 = -5 + 10, another key part of Abacus Level 1. This technique develops faster mental calculation skills by building strong visual memory with the abacus. 🧠 Abacus is a full mental math development program from Level 1 to Level 8. Let's make learning smart and joyful—together! 🔔 Join Our Abacus Live Classes 📅 Starting from October 1, 2023 – Monday to Saturday at 5:30 PM 📌 Full Abacus Course: Completely Free! 👉 Subscribe now and turn on the bell icon to never miss a session! 🧑‍🏫 Teacher: Shalu Dua📺 YouTube Channel: @skillslearningkota 📢 Join Our Community & Get Study Material 🔗 Telegram Channel (Live Class Updates + Worksheets):https://t.me/abacuscoursefree 🔗 WhatsApp Group (Student Help & Support):https://chat.whatsapp.com/F8dbdVyrpYi5fnVDfQeplQ 🌐 Website:https://www.skillslearning.in 📝 Practice Worksheets (Unlimited Access):https://skillslearning.in/abacus-level-1/ 📚 Full Abacus Level 1 Lesson List: ✅ Introduction & Basics 1️⃣ What is Abacus Tool? 📺 https://youtube.com/live/GhSEl5PzOzg 2️⃣ How to Make 1 to 100 on Abacus Tool? 📺 https://youtube.com/live/JEqbiHeyxVw 3️⃣ Draw & Write the Beads Value 📺 https://www.youtube.com/live/ur5i4opsFGQ?si=kRgGXAPHEmXpHWcb 🟢 Small Friend Addition Formula 4️⃣ Lesson-4: Abacus Addition & Subtraction Sums 📺 https://www.youtube.com/watch?v=wW0l06KMYic 5️⃣ +2 = -3 + 5 📺 https://www.youtube.com/watch?v=7o5EZcPF-7k 6️⃣ +1 = -4 + 5 📺 https://www.youtube.com/watch?v=NCzdhiTmwGo 7️⃣ +3 = -2 + 5 📺 https://www.youtube.com/watch?v=_5vopgO_HXg 8️⃣ +4 = -1 + 5 📺 https://www.youtube.com/watch?v=qjcr3vRsbsw 9️⃣ Small Friend Formula Revision 📺 https://www.youtube.com/watch?v=9Cm9f8qFxOQ 🔟 Practice Session 📺 https://www.youtube.com/watch?v=ZzHSgexRRWw 🔴 Small Friend Subtraction Formula Lesson-11: -2 = +3 - 5 📺 https://www.youtube.com/watch?v=YkR8R3uZHjg Lesson-12: -3 = +2 - 5 📺 https://www.youtube.com/watch?v=8WEv9u2MPkc Lesson-13: -4 = +1 - 5 📺 https://www.youtube.com/watch?v=IAz1nckKbN0 Lesson-14: Subtraction Practice 📺 https://www.youtube.com/watch?v=iODYJG0AfuU Lesson-15: Small Friend Subtraction Revision 📺 https://www.youtube.com/watch?v=NkcKal4czXY 🔵 Big Friend Addition Formula Lesson-16: Big Friend Introduction 📺 https://www.youtube.com/watch?v=Nz8ry1v0XQ0 Lesson-17: +9 = -1 + 10 📺 https://www.youtube.com/watch?v=6hnE7rgzZY8 Lesson-18: +8 = -2 + 10 📺 https://youtu.be/WUb6yw3eSsg Lesson-19: +7 = -3 + 10 📺 https://www.youtube.com/watch?v=YOUR19LINK Lesson-20: +6 = -4 + 10 📺 https://www.youtube.com/watch?v=YOUR20LINK Lesson-21: +5 = -5 + 10 📺 You’re watching it now! 🎯 What You’ll Learn in Level 1: ✔ What is Abacus? ✔ Right Way to Use the Tool ✔ Little Friend & Big Friend Formulas ✔ Combination Techniques ✔ Speed & Mental Calculation Development ✔ Practice Worksheets + Live Support 📌 Paid Promotion 🔹 Want to start your own Abacus Academy? 🔹 Interested in franchise or certified teacher training? 👉 Contact via website or Telegram for more info! 🟡 #abacus #abacusmath #abacuslevel1 #abacusformula #abacusaddition #abacussubtraction #abacuslearning #ucmas #skillslearning