In ths video In this video I will list and explain the 12 basic different types of word problem: 1) relative price and cost, 2) percent, 3) comparing numbers, 4) length, area, volume (linear), 5) coins/money, 6) solutions/mixtures, 7) ages, 8) rates of doing work, 9) distance, velocity, time, 10) cost, revenue, profit, 11) ticket prices, 12) investments.