Mental Math Kids Can't Resist!: Tips, Short-cut... May 2026

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.

This is how our brains naturally read, so it feels more intuitive than the "stacking" method. 5. Squaring Numbers Ending in 5 This one makes kids look like absolute geniuses. The Trick: To square a number like 25, 35, or 75: The answer always ends in 25. Mental Math Kids Can't Resist!: Tips, Short-cut...

Take the first digit and multiply it by the "next" number up. 65 x 65 The end is 25 . The first digit is 6. The next number up is 7. Put them together: 4,225 . How to Make it "Irresistible"

Round one number to the nearest ten to make it "friendly," solve the problem, and then adjust. Example: For 38 + 25 , turn 38 into 40 (by adding 2). The Math: . Now, take away that extra 2 you added earlier. This is a lifesaver for multiplication tables that

Here’s a deep dive into the mental math strategies that are actually fun for kids to learn. 1. The "Friendly Numbers" Strategy (Compensation)

Standard school math teaches kids to work right-to-left (ones, then tens). Mental math is much faster . The Trick: Add the "big" values first. Example: 64 + 28 Add the tens: Add the ones: It works for any two-digit number multiplied by 11

Cut one number in half and double the other. The answer stays the same. Example: 14 x 5 Half of 14 is 7. Double of 5 is 10. . (Much easier than 14 x 5!)