College Algebra / Unit 1 Alg 003 short lesson, about 20 seconds
The Integers
Captions available
The idea
The integers are the whole numbers together with the opposites of the natural numbers.
In practice
The list runs … −3, −2, −1, 0, 1, 2, 3 … — every whole number keeps its seat, and every counting number gains a mirror below zero.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
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