By Joan A. Cotter, Ph.D.

Multiplication, simple division, and fractions are the primary focus of Level D. The child works with numbers to one million. He also works with linear and square units in both the U.S. Customary and the metric systems. Using a drawing board and tools, he explores symmetry, angles, and various geometric shapes. Level D Worksheets are needed for the child.

Manipulatives for Level D may be purchased as a set (includes those needed to complete Levels A to E) or separately at www.alabacus.com.

Required manipulatives: RightStart Math Transition Lessons, Math Card Games Book, Al Abacus Junior, Abacus Tiles, Thousand Cubes, Cards (6 Special Decks for games), Basic Drawing Board Geometry Set, Colored Tiles, Casio Calculator SL-450, 4-in-1 Ruler, Folding Meter Stick, and 2 Laminated Fraction Charts.