Flexible charts let you reinforce one concept at a time or show connections between different concepts. Features 4 snap-together charts that display fractional parts of a circle, fractions, decimals and percents, helping students to transition between visual representations of part of a whole in the circle chart to numerical representations in the other charts. Supports lessons about equivalencies, demonstration and center activities. Offers the flexibility of using 1, 2, 3 or all 4 charts at a time. Includes Activity Guide. Each chart measures 6" square. Grades 1 and up.