Mental Math Kids Can't Resist!: Tips, Short-cut... Apr 2026
Use physical items like LEGO bricks or Cheerios to show why doubling and halving works.
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!) Mental Math Kids Can't Resist!: Tips, Short-cut...
If the middle sum is 10 or more (like 87 x 11), just carry the "1" to the first digit! 3. The "Doubling and Halving" Method Use physical items like LEGO bricks or Cheerios
At a restaurant, ask them to mentally calculate the 10% or 20% tip before you look at the receipt. Example: 14 x 5 Half of 14 is 7
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.
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.
