diff --git a/cli.py b/cli.py
index 5a23195..832e631 100644
--- a/cli.py
+++ b/cli.py
@@ -3,7 +3,12 @@
 # Implements a simple number-to-text command-line interface.
 
 from argparse import ArgumentParser
-from int_to_text import int_under_10_to_text
+from int_to_text import (
+    int_under_10_to_text,
+    int_under_100_to_text,
+    int_under_1000_to_text,
+    int_under_1000000_to_text,
+)
 
 parser = ArgumentParser()
 parser.add_argument("number", type=int)
diff --git a/int_to_text.py b/int_to_text.py
index e41858e..80f228a 100644
--- a/int_to_text.py
+++ b/int_to_text.py
@@ -6,20 +6,16 @@ MAXIMUM = 1000000
 
 def int_under_1000000_to_text(number):
     "Returns a textual representation of the number."
-    check_number_in_range(abs(number), 1 , MAXIMUM)
     return "A big number"
         
 def int_under_1000_to_text(number):
     "Returns a textual representation of the number"
-    check_number_in_range(number, 1, 1000)
     return "A big number"
 
 def int_under_100_to_text(number):
-    check_number_in_range(number, 1, 100)
     return "A big number"
 
 def int_under_10_to_text(number):
-    check_number_in_range(number, 1, 10)
     if number == 1:
         return "one"
     elif number == 2:
@@ -38,12 +34,8 @@ def int_under_10_to_text(number):
         return "eight"
     elif number == 9:
         return "nine"
-
-def check_number_in_range(number, minimum, maximum):
-    if number < minimum:
-        raise ValueError(f"{number} must not be below {minimum}.")
-    if number >= maximum:
-        raise ValueError(f"{number} must be less than {maximum}.")
+    else:
+        return "A big number"
 
 def divide_with_remainder(dividend, divisor):
     """Divides one number by another, using whole-number division.