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Integers

The whole numbers with their negatives: ..., -2, -1, 0, 1, 2, ... Negative numbers sit left of zero and measure things below a starting point, like cold days or money owed. A number plus its opposite is zero, and with negatives every subtraction has an answer.

Depth 1 · Foundation

You can place negative numbers on the number line, compare them, find a number's opposite, and take away more than you have.

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Depths of understanding

  1. 1

    Foundation

    You can place negative numbers on the number line, compare them, find a number's opposite, and take away more than you have.

    Opens after

    The number lineNegative numbers carry the number line on to the left of zero.Comparing numbersFurther right is still bigger, which is why -2 is bigger than -5.

Your path here

What's still between you and Integers, depth 1, in the order you can learn it.

  1. 1CountingDepth 1 · Foundation · Number Systems
  2. 2Natural numbersDepth 1 · Foundation · Number Systems
  3. 3ZeroDepth 1 · Foundation · Number Systems
  4. 4The number lineDepth 1 · Foundation · Number Systems
  5. 5NumeralsDepth 1 · Foundation · Number Systems
  6. 6Place valueDepth 1 · Foundation · Number Systems
  7. 7Comparing numbersDepth 1 · Foundation · Number Systems
  8. 8IntegersDepth 1 · Foundation · Number Systems

Where it fits

Builds on

The number lineComparing numbers

This concept

IntegersNumber Systems

Opens up

Rational numbersSubtractionArithmeticVariablesAlgebra