The One Rule You Need for 7, 8 & 9 - Break 10 Rule for Subtraction скачать в хорошем качестве

The One Rule You Need for 7, 8 & 9 - Break 10 Rule for Subtraction

In this lesson, we break down the one essential rule you need to subtract 7, 8, and 9 confidently on the abacus — the Break 10 Rule. Many students hesitate when subtracting 7, 8, or 9 because they cannot remove the beads directly. That’s where the Break 10 strategy comes in. In this video, you’ll learn how to: Understand why 7, 8, and 9 require a different approach Use complements to 10 for subtraction Apply the Break 10 Rule step-by-step Avoid common mistakes students make This method builds speed, accuracy, and confidence in abacus subtraction. Perfect for beginners and students looking to strengthen their mental math foundation.