diff --git a/patterns/number_triangle.py b/patterns/number_triangle.py
new file mode 100644
index 000000000000..b9a6ff9c5f59
--- /dev/null
+++ b/patterns/number_triangle.py
@@ -0,0 +1,24 @@
+"""
+Prints a number triangle pattern.
+
+Example for n = 5:
+1
+1 2
+1 2 3
+1 2 3 4
+1 2 3 4 5
+"""
+
+
+def number_triangle(n: int) -> None:
+    """
+    Prints a number triangle up to n rows.
+
+    :param n: Number of rows
+    """
+    for i in range(1, n + 1):
+        print(" ".join(str(x) for x in range(1, i + 1)))
+
+
+if __name__ == "__main__":
+    number_triangle(5)