This is a lifesaver for multiplication tables that haven't been memorized yet. It simplifies complex problems into manageable ones.
This is arguably the coolest-looking trick in mental math. It works for any two-digit number multiplied by 11. Mental Math Kids Can't Resist!: Tips, Short-cut...
Here’s a deep dive into the mental math strategies that are actually fun for kids to learn. 1. The "Friendly Numbers" Strategy (Compensation) This is a lifesaver for multiplication tables that