diff --git a/exercises/practice/raindrops/.approaches/check-every-possibility/content.md b/exercises/practice/raindrops/.approaches/check-every-possibility/content.md
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@@ -0,0 +1,75 @@
+# Pattern Matching
+
+```elixir
+defmodule Raindrops do
+  @spec convert(pos_integer) :: String.t()
+  def convert(number) do
+    case {rem(number, 3), rem(number, 5), rem(number, 7)} do
+      {0, 0, 0} -> "PlingPlangPlong"
+      {0, 0, _} -> "PlingPlang"
+      {0, _, 0} -> "PlingPlong"
+      {_, 0, 0} -> "PlangPlong"
+      {0, _, _} -> "Pling"
+      {_, 0, _} -> "Plang"
+      {_, _, 0} -> "Plong"
+      _ -> Integer.to_string(number)
+    end
+  end
+end
+```
+
+## Case
+The case allows us to evaluate if a number is divisible by 3, 5 and 7 once, and then match the results to various combinations of the possible outcomes.
+The advantage of using a `case` on a tuple, like in the example above, is that the `rem` functions are executed only once.
+
+## Cond
+We can use `cond do`, too.
+However, first, let's look at the maths to make the solution more compact.
+
+A number is divisible by `a`, `b`, and `c` only when it is divisible by `a*b*c`.
+So, instead of
+```elixir
+rem(number, 3) == 0 and rem(number, 5) == 0 and rem(number, 7) == 0
+```
+we can write
+```elixir
+rem(number, 3*5*7) == 0
+```
+
+Now, let's look at this pattern matching with `cond`.
+
+```elixir
+def convert(number) do
+  cond do
+    rem(number, 3*5*7) == 0 -> "PlingPlangPlong"
+    rem(number, 3*5) == 0 -> "PlingPlang"
+    rem(number, 3*7) == 0 -> "PlingPlong"
+    rem(number, 5*7) == 0 -> "PlangPlong"
+    rem(number, 3) == 0 -> "Pling"
+    rem(number, 5) == 0 -> "Plang"
+    rem(number, 7) == 0 -> "Plong"
+    true -> Integer.to_string(number)
+  end
+end
+```
+
+## Multiple-clause functions
+We can do something very similar by using guards in multi-clause functions.
+We use different feautre of the language, but at its core, the approach is the same.
+
+```elixir
+defmodule Raindrops do
+  @spec convert(pos_integer) :: String.t()
+  def convert(number) when rem(number, 3*5*7) == 0, do: "PlingPlangPlong"
+  def convert(number) when rem(number, 3*5) == 0, do: "PlingPlang"
+  def convert(number) when rem(number, 3*7) == 0, do: "PlingPlong"
+  def convert(number) when rem(number, 5*7) == 0, do: "PlangPlong"
+  def convert(number) when rem(number, 3) == 0, do: "Pling"
+  def convert(number) when rem(number, 5) == 0, do: "Plang"
+  def convert(number) when rem(number, 7) == 0, do: "Plong"
+  def convert(number), do: Integer.to_string(number)
+end
+```
+
+We can use different features of the language, but at its core, the approach is the same.
+We check a set of conditions that leads us to the exact answer.
\ No newline at end of file
diff --git a/exercises/practice/raindrops/.approaches/check-every-possibility/snippet.txt b/exercises/practice/raindrops/.approaches/check-every-possibility/snippet.txt
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+++ b/exercises/practice/raindrops/.approaches/check-every-possibility/snippet.txt
@@ -0,0 +1,12 @@
+def convert(number) do
+  case {rem(number, 3), rem(number, 5), rem(number, 7)} do
+    {0, 0, 0} -> "PlingPlangPlong"
+    {0, 0, _} -> "PlingPlang"
+    {0, _, 0} -> "PlingPlong"
+    {_, 0, 0} -> "PlangPlong"
+    {0, _, _} -> "Pling"
+    {_, 0, _} -> "Plang"
+    {_, _, 0} -> "Plong"
+    _ -> Integer.to_string(number)
+  end
+end
diff --git a/exercises/practice/raindrops/.approaches/config.json b/exercises/practice/raindrops/.approaches/config.json
new file mode 100644
index 0000000000..0710c3bccb
--- /dev/null
+++ b/exercises/practice/raindrops/.approaches/config.json
@@ -0,0 +1,27 @@
+{
+  "introduction": {
+    "authors": [
+      "michalporeba"
+    ]
+  },
+  "approaches": [
+    {
+      "uuid": "fbfbabb4-f4e6-4329-b2f5-a93e3199b809",
+      "slug": "check-every-possibility",
+      "title": "Every Possibility",
+      "blurb": "Check every possibility.",
+      "authors": [
+        "michalporeba"
+      ]
+    },
+    {
+      "uuid": "925ccb59-3414-472b-9054-1cdfc5e44fad",
+      "slug": "step-by-step",
+      "title": "Step By Step",
+      "blurb": "Perform the checks one by one, step by step.",
+      "authors": [
+        "michalporeba"
+      ]
+    }
+  ]
+}
diff --git a/exercises/practice/raindrops/.approaches/introduction.md b/exercises/practice/raindrops/.approaches/introduction.md
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+++ b/exercises/practice/raindrops/.approaches/introduction.md
@@ -0,0 +1,49 @@
+# Introduction
+
+## Check every possibility
+
+The output of the `convert` method depends on three conditions which can be either true or false.
+This gives only eight possibilities and we can check them all.
+
+```elixir
+def convert(number) do
+  case {rem(number, 3), rem(number, 5), rem(number, 7)} do
+    {0, 0, 0} -> "PlingPlangPlong"
+    {0, 0, _} -> "PlingPlang"
+    {0, _, 0} -> "PlingPlong"
+    {_, 0, 0} -> "PlangPlong"
+    {0, _, _} -> "Pling"
+    {_, 0, _} -> "Plang"
+    {_, _, 0} -> "Plong"
+    _ -> Integer.to_string(number)
+  end
+end
+```
+
+We can use a few Elixir features to do more or less the same and we explore them in the [check every possibility approach][check-every-possibility-approach].
+
+## Step by step
+
+An alternative approach is to consider each condition one at a time.
+At each step we return either a sound (i.e. "Pling", "Plang", or "Plong"), or an empty string.
+We can then concatenate the strings together.
+
+```elixir
+def convert(number) do
+  pling = if rem(number, 3) == 0, do: "Pling", else: ""
+  plang = if rem(number, 5) == 0, do: "Plang", else: ""
+  plong = if rem(number, 7) == 0, do: "Plong", else: ""
+  result = pling <> plang <> plong
+
+  if result == "" do
+    Integer.to_string(number)
+  else
+    result
+  end
+end
+```
+
+Let's have a look at a few variations of this [step by step approach][step-by-step-approach].
+
+[check-every-possibility-approach]: https://exercism.org/tracks/elixir/exercises/raindrops/approaches/check-every-possibility
+[step-by-step-approach]: https://exercism.org/tracks/elixir/exercises/raindrops/approaches/step-by-step
\ No newline at end of file
diff --git a/exercises/practice/raindrops/.approaches/step-by-step/content.md b/exercises/practice/raindrops/.approaches/step-by-step/content.md
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index 0000000000..0bbdf724cd
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+++ b/exercises/practice/raindrops/.approaches/step-by-step/content.md
@@ -0,0 +1,77 @@
+# Step By Step
+
+```elixir
+defmodule Raindrops do
+  @spec convert(pos_integer) :: String.t()
+  def convert(number) do
+    pling = if rem(number, 3) == 0, do: "Pling", else: ""
+    plang = if rem(number, 5) == 0, do: "Plang", else: ""
+    plong = if rem(number, 7) == 0, do: "Plong", else: ""
+    sound = pling <> plang <> plong
+
+    if sound == "" do
+      Integer.to_string(number)
+    else
+      sound
+    end
+  end
+end
+```
+
+In this approach, we test each condition only once, similar to using the `case` on a tuple in the [pattern matching approach][pattern-matching-approach].
+However, this time, if a condition is true, we capture the sound component, and if it is not true, we capture the sound as an empty string.
+
+Once this is done, we can concatenate all three conditions to get the full sound.
+Finally, if the `sound` is empty, we can return the number or, alternatively, the calculated `sound`.
+
+## Functions
+
+We can create private functions to test for component sounds.
+
+```elixir
+defp pling(n) when rem(n, 3) == 0, do: "Pling"
+defp pling(_), do: ""
+defp plang(n) when rem(n, 5) == 0, do: "Plang"
+defp plang(_), do: ""
+defp plong(n) when rem(n, 7) == 0, do: "Plong"
+defp plong(_), do: ""
+defp sound(sound, number) when sound == "", do: Integer.to_string(number)
+defp sound(sound, _number), do: sound
+```
+
+Now the solution can look like this:
+```elixir
+def convert(number) do
+  sound(pling(number) <> plang(number) <> plong(number), number)
+end
+```
+
+## The pipe operator
+
+With a slightly different design of the functions we can use the pipe operator to have a very clean-looking code
+
+```elixir
+@spec convert(pos_integer) :: String.t()
+def convert(number) do
+  {"", number}
+  |> pling
+  |> plang
+  |> plong
+  |> sound
+end
+```
+At least in the `convert` functions. The `pling`, `plang`, `plong` become a bit more complex:
+```elixir
+defp pling({ s, n }) when rem(n, 3) == 0, do: { s <> "Pling", n }
+defp pling({ s, n }), do: { s, n }
+defp plang({ s, n }) when rem(n, 5) == 0, do: { s <> "Plang", n }
+defp plang({ s, n }), do: { s, n }
+defp plong({ s, n }) when rem(n, 7) == 0, do: { s <> "Plong", n }
+defp plong({ s, n }), do: { s, n }
+defp sound({ s, n }) when s == "" , do: n |> Integer.to_string
+defp sound({ s, _ }), do: s
+```
+
+All the examples above, at their core, represent the same approach of doing the check step by step.
+
+[pattern-matching-approach]: https://exercism.org/tracks/elixir/exercises/raindrops/approaches/pattern-matching
\ No newline at end of file
diff --git a/exercises/practice/raindrops/.approaches/step-by-step/snippet.txt b/exercises/practice/raindrops/.approaches/step-by-step/snippet.txt
new file mode 100644
index 0000000000..7b9903f613
--- /dev/null
+++ b/exercises/practice/raindrops/.approaches/step-by-step/snippet.txt
@@ -0,0 +1,12 @@
+def convert(number) do
+  pling = if rem(number, 3) == 0, do: "Pling", else: ""
+  plang = if rem(number, 5) == 0, do: "Plang", else: ""
+  plong = if rem(number, 7) == 0, do: "Plong", else: ""
+  result = pling <> plang <> plong
+
+  if result == "" do
+    Integer.to_string(number)
+  else
+    result
+  end
+end
diff --git a/exercises/practice/raindrops/.meta/config.json b/exercises/practice/raindrops/.meta/config.json
index bb893dc8e7..8301000d94 100644
--- a/exercises/practice/raindrops/.meta/config.json
+++ b/exercises/practice/raindrops/.meta/config.json
@@ -14,7 +14,8 @@
     "parkerl",
     "sotojuan",
     "Teapane",
-    "waiting-for-dev"
+    "waiting-for-dev",
+    "michalporeba"
   ],
   "files": {
     "solution": [