Magnetic Pizza Fraction Demonstration Set Serve up fractions in the most common context. Real-life photography makes them delicious! Represents 1 whole, 1/2, 1/3, 1/4, 1/6 and 1/8 values in 6 pizzas (24 pieces total) that stick to any magnetic surface for demonstration or student activities. Introduces fraction values in numerical form, comparisons, equivalencies, and addition and subtraction of fractions.