fourthgrademaths.py

# fourthgrademaths.py
import random, time

def start(question_count):
	rightAnswers = 0
	wrongAnswers = 0
	startTime = time.time()
	for i in range(question_count):
		qtype = random.randint(0,3)
		if qtype == 0: # addition
			a,b = random.randint(-60,60),random.randint(5,50)
			answer = a + b
			user_answer = int(raw_input(str(i+1) + ')\t' + str(a) + ' + ' + str(b) + ' = '))
			if user_answer == answer:
				rightAnswers += 1
			else:
				wrongAnswers += 1
				raw_input('Wrong. ' + str(a) + ' + ' + str(b) + ' = ' + str(answer) + ', NOT ' + str(user_answer))
		elif qtype == 1: # subtraction
			a,b = random.randint(-60,60),random.randint(5,50)
			answer = a - b
			user_answer = int(raw_input(str(i+1) + ')\t' + str(a) + ' - ' + str(b) + ' = '))
			if user_answer == answer:
				rightAnswers += 1
			else:
				wrongAnswers += 1
				raw_input('Wrong. ' + str(a) + ' - ' + str(b) + ' = ' + str(answer) + ', NOT ' + str(user_answer))
		elif qtype == 2: # multiplication
			a,b = random.randint(-15,15),random.randint(-15,15)
			answer = a * b
			user_answer = int(raw_input(str(i+1) + ')\t' + str(a) + ' x ' + str(b) + ' = '))
			if user_answer == answer:
				rightAnswers += 1
			else:
				wrongAnswers += 1
				raw_input('Wrong. ' + str(a) + ' x ' + str(b) + ' = ' + str(answer) + ', NOT ' + str(user_answer))
		elif qtype == 3: # division
			a = random.randint(2,12)
			q = random.randint(2,16)
			while a == q:
				q = random.randint(2,16)
			b = a*q
			answer = b/a
			user_answer = int(raw_input(str(i+1) + ')\t' + str(b) + ' / ' + str(a) + ' = '))
			if user_answer == answer:
				rightAnswers += 1
			else:
				wrongAnswers += 1
				raw_input('Wrong. ' + str(a) + ' / ' + str(b) + ' = ' + str(answer) + ', NOT ' + str(user_answer))
	print 'You took',(time.time()-startTime)/60.0,'minutes'
	print 'You got',rightAnswers,'out of',question_count

start(20)