Addition, subtraction and initial setup

mathGenerator/generator.py

@@ -0,0 +1,37 @@
+import random
+
+def addition(maxSum, maxAddend):
+    """
+    DESCRIPTION:
+        Generates addition problems with positive addends less than maxAddend and sum less than maxSum
+    SKILLID:
+        2
+    PROBLEM:
+        "a+b="
+    SOLUTION:
+        "c"
+    """
+    a = random.randint(0, maxAddend)
+    b = random.randint(0, min((maxSum-a), maxAddend)) #The highest value of b will be no higher than the maxsum minus the first number and no higher than the maxAddend as well
+    c = a+b
+    problem = str(a) + "+" + str(b) + "="
+    solution = str(c)
+    return problem, solution
+
+def subtraction(maxDiff, maxMinuend):
+    """
+    DESCRIPTION:
+        Generates subtraction problems with difference between 0 and maxDiff. Minuend and subtrahend are between 0 and maxMinuend.
+    SKILLID:
+        3
+    PROBLEM:
+        "a-b="
+    SOLUTION:
+        "c"
+    """
+    a = random.randint(0, maxMinuend)
+    b = random.randint(max(0, (a-maxDiff)), a)
+    c = a-b
+    problem = str(a) + "-" + str(b) + "="
+    solution = str(c)
+    return problem, solution