This product contains 107 cards containing problems related to calculating the percent of a number. A little over half of the cards are simple 10, 20, 30, 40, 50, 60, 70, 80, 90% of a number. The remaining cards are a little more challenging, including 15, 25, 35, 45, 55, 65, 75, & 85% of a number (all answers are whole numbers, no fractions or decimal answers). If your class is ready for both types, play with all cards. If not, begin with the first set and add the others when they are rea