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  1. Properties of addition (article) | Khan Academy

    Identity property of addition The identity property of addition says that the sum of 0 and any number is that number. Here's an example:

  2. Properties of multiplication (article) | Khan Academy

    Identity property of multiplication The identity property of multiplication says that the product of 1 and any number is that number. Here's an example:

  3. Properties of addition (article) | Khan Academy

    Identity property of addition The identity property of addition says that the sum of 0 and any number is that number. Here's an example:

  4. Properties of matrix addition (article) | Khan Academy

    This property states that you can change the grouping in matrix addition and get the same result. For example, you can add matrix A to B first, and then add matrix C , or, you can add matrix B …

  5. Identity property of 0 (video) | Khan Academy

    Is the identity property of 0 similar to the identity property of addition or the identity property of multiplication?

  6. Identity property of 1 (video) | Khan Academy

    The identity property of 1 says that any number multiplied by 1 keeps its identity. In other words, any number multiplied by 1 stays the same. The reason the number stays the same is …

  7. Properties of matrix multiplication (article) | Khan Academy

    The multiplicative identity property states that the product of any n × n matrix A and I n is always A , regardless of the order in which the multiplication was performed.

  8. Properties of congruence and equality (article) | Khan Academy

    Learn when to apply the reflexive property, transitive, and symmetric properties in geometric proofs. Learn the relationship between equal measures and congruent figures.

  9. Commutative law of addition (video) | Khan Academy

    Now, this commutative law of addition sounds like a very fancy thing, but all it means is if you're just adding a bunch of numbers, it doesn't matter what order you add the numbers in.

  10. Khan Academy | Khan Academy

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