Number 1 Review

: In math, it is called a "unit" and is the only number that is neither prime nor composite.

: Every whole number is simply a collection of 1s added together. In Symbol and Word

In many cultures and contexts, 1 represents the start, the individual, or the winner. Number 1

"Start at the top and down you run, That’s the way to make a one!"

: Anything multiplied by 1 stays exactly the same ( ), making it the multiplicative identity . : In math, it is called a "unit"

: In early learning, it’s often shown as a single dot on a die, one finger held up, or one tally mark. A Rhyme for Formation

: Spelled O-N-E , it originates from the Old English word ān . "Start at the top and down you run,

: Most commonly a single vertical line, sometimes with a serif at the top or a small bar at the base.