What is 1 + 1?
1 + 1 = 2
- Addition basics: Addition combines quantities, so counting one more than 1 gives 2.
- Binary logic: Even in binary, 1 + 1 equals 10, which represents the decimal number 2.
- Everyday example: One apple plus another apple means you now have two apples.
Number Sense Spotlight
Even the simplest arithmetic builds intuition for more complex operations. Understanding that 1 + 1 = 2 lays the groundwork for algebra, calculus, and even computing systems.
Try it Yourself
Think of any two single objects—pencils, cups, or stars. Combine them, count again, and confirm the magic of 2.