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

This is arguably the coolest-looking trick in mental math. It works for any two-digit number multiplied by 11.

Take the two-digit number, split the digits, and put their sum in the middle. Example: 35 x 11 Split the 3 and the 5: 3 _ 5 Sandwich the 8 in the middle: 385 Mental Math Kids Can't Resist!: Tips, Short-cut...

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. This is arguably the coolest-looking trick in mental math

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. Example: 35 x 11 Split the 3 and

Most kids struggle with numbers that require "carrying" or "borrowing." Friendly numbers make those problems disappear.

Making math feel like a game rather than a chore is the "secret sauce" for helping kids master numbers. When kids realize they can solve problems faster than a calculator can be turned on, their confidence skyrockets.

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"