diff --git a/06-numpy/06-numpy.tex b/05-numpy/05-numpy.tex
similarity index 100%
rename from 06-numpy/06-numpy.tex
rename to 05-numpy/05-numpy.tex
diff --git a/06-numpy/Makefile b/05-numpy/Makefile
similarity index 52%
rename from 06-numpy/Makefile
rename to 05-numpy/Makefile
index 3ae536c4ae31e89c1d37327ee7c5eafb833ae67c..d69d54338ad7687f57be966b2d8924cf854547a4 100644
--- a/06-numpy/Makefile
+++ b/05-numpy/Makefile
@@ -1,3 +1,3 @@
-SLIDES=06-numpy.pdf
+SLIDES=05-numpy.pdf
 
 include ../Makerules
diff --git a/06-numpy/fib-solve.py b/05-numpy/fib-solve.py
similarity index 100%
rename from 06-numpy/fib-solve.py
rename to 05-numpy/fib-solve.py
diff --git a/06-numpy/fib-test.py b/05-numpy/fib-test.py
similarity index 100%
rename from 06-numpy/fib-test.py
rename to 05-numpy/fib-test.py
diff --git a/07-matplotlib/examples.py b/06-matplotlib/examples.py
similarity index 100%
rename from 07-matplotlib/examples.py
rename to 06-matplotlib/examples.py
diff --git a/05-seznamy/jednosmerne-na-konec.py b/07-seznamy/jednosmerne-na-konec.py
similarity index 100%
rename from 05-seznamy/jednosmerne-na-konec.py
rename to 07-seznamy/jednosmerne-na-konec.py
diff --git a/05-seznamy/jednosmerne-na-zacatek.py b/07-seznamy/jednosmerne-na-zacatek.py
similarity index 100%
rename from 05-seznamy/jednosmerne-na-zacatek.py
rename to 07-seznamy/jednosmerne-na-zacatek.py
diff --git a/05-seznamy/obousmerne.py b/07-seznamy/obousmerne.py
similarity index 100%
rename from 05-seznamy/obousmerne.py
rename to 07-seznamy/obousmerne.py
diff --git a/05-seznamy/sorted_list.py b/07-seznamy/sorted_list.py
similarity index 100%
rename from 05-seznamy/sorted_list.py
rename to 07-seznamy/sorted_list.py
diff --git a/05-seznamy/sorted_list_test.py b/07-seznamy/sorted_list_test.py
similarity index 100%
rename from 05-seznamy/sorted_list_test.py
rename to 07-seznamy/sorted_list_test.py