diff --git a/app/math_game.py b/app/math_game.py
index 3433099..6907187 100644
--- a/app/math_game.py
+++ b/app/math_game.py
@@ -4,48 +4,86 @@ from time import sleep
 from config import MAX_NUM, DEFAULT_COUNTING_SPEED, MAX_RUNNING_TIME_SECONDS
 
 
-def math_game():
+def clear_screen():
     for i in range(100):
         print()
+
+
+def print_greeting():
     print("Hi, welcome to math game!")
-    print("How high do you want to count?")
-    number = int(input("> "))
-    while number > MAX_NUM:
+
+
+def get_last_number():
+    last_number = int(input("How high do you want to count?\n> "))
+    while last_number > MAX_NUM:
         print(f"Sorry, there's a limit of {MAX_NUM:,}")
         print("How high do you want to count?")
-        number = int(input("> "))
-    print("How much do you want to add each time?")
-    each = int(input("> "))
+        last_number = int(input("> "))
+    return last_number
 
-    print(f"How many counts do you want to do per second? [{DEFAULT_COUNTING_SPEED:,}]")
-    num_counts_per_second_string = input("> ")
-    if num_counts_per_second_string == '':
-        num_counts_per_second = DEFAULT_COUNTING_SPEED
+def get_increment():
+    return int(input("How much do you want to add each time?\n> "))
+
+
+def predict_running_time(last_number, increment, num_counts_per_second):
+    return int((last_number / increment) / num_counts_per_second)
+
+
+def calculate_suggested_num_counts_per_second(last_number, increment):
+    return int((last_number / increment) / MAX_RUNNING_TIME_SECONDS)
+
+
+def get_input(message, default_val):
+    print(message)
+    input_string = input("> ")
+    if input_string == '':
+        value = default_val
     else:
-        num_counts_per_second = int(num_counts_per_second_string)
+        value = int(input_string)
+    return value
+
+
+def get_num_counts_per_second(last_number, increment):
+    num_counts_per_second = get_input(
+        f"How many counts do you want to do per second? [{DEFAULT_COUNTING_SPEED:,}]",
+        DEFAULT_COUNTING_SPEED)
+
+    predicted_running_time_seconds = predict_running_time(last_number, increment, num_counts_per_second)
 
-    predicted_running_time_seconds = int((number / each) / num_counts_per_second)
     while predicted_running_time_seconds > MAX_RUNNING_TIME_SECONDS:
         print(f"Sorry, that would run for {predicted_running_time_seconds:,} seconds, which is greater than "
               f"the maximum allowed of {MAX_RUNNING_TIME_SECONDS:,} seconds.")
-        suggested_num_counts_per_second = int((number / each) / MAX_RUNNING_TIME_SECONDS)
-        print(f"I suggest you run a minimum of {suggested_num_counts_per_second:,} counts per second.")
-        print(f"How many counts do you want to do per second? [{suggested_num_counts_per_second:,}]")
-        num_counts_per_second_string = input("> ")
-        if num_counts_per_second_string == '':
-            num_counts_per_second = suggested_num_counts_per_second
-        else:
-            num_counts_per_second = int(num_counts_per_second_string)
-        predicted_running_time_seconds = (number / each) / num_counts_per_second
 
-    print(f"Okay, here we go! We're going to count from zero to {number}, "
-          f"adding {each} {num_counts_per_second} times per second.")
+        suggested_num_counts_per_second = calculate_suggested_num_counts_per_second(last_number, increment)
+        print(f"I suggest you run a minimum of {suggested_num_counts_per_second:,} counts per second.")
+
+        num_counts_per_second = get_input(
+            f"How many counts do you want to do per second? [{suggested_num_counts_per_second:,}]",
+            suggested_num_counts_per_second)
+
+        predicted_running_time_seconds = predict_running_time(last_number, increment, num_counts_per_second)
+
+    return num_counts_per_second
+
+
+def do_the_count(last_number, increment, num_counts_per_second):
+    print(f"Okay, here we go! We're going to count from zero to {last_number:,}, "
+          f"adding {increment:,} {num_counts_per_second:,} times per second.")
     sleep(3)
     sleep_for_seconds_between_counts = 1 / num_counts_per_second
-    for i in range(1, number + 1, each):
+    for i in range(1, last_number + 1, increment):
         print(f"{i:,}")
         sleep(sleep_for_seconds_between_counts)
 
 
+def math_game():
+    clear_screen()
+    print_greeting()
+    last_number = get_last_number()
+    increment = get_increment()
+    num_counts_per_second = get_num_counts_per_second(last_number, increment)
+    do_the_count(last_number, increment, num_counts_per_second)
+
+
 if __name__ == "__main__":
     math_game()