Ladders Social Studies 4: The Pacific Coast (above-level)
Ladders Social Studies 5: Declaration of Independence (on-level)
Ladders Social Studies 4: La costa del Golfo (The Gulf Coast) (on-level)
Ladders Social Studies 4: La costa del Pacifico (The Pacific Coast) (on-level)
Ladders Social Studies 4: Native Americans of The Great Plains (above-level)
Ladders Social Studies 4: Native Americans of the Southwest (on-level)
Ladders Social Studies 4: Native Americans of The Great Plains (on-level)
Ladders Social Studies 5: The Inca (above-level)
Ladders Social Studies 5: The Maya (above-level)
Ladders Social Studies 5: Los pueblo (The Pueblo) (on-level)
Ladders Social Studies 4: Native Americans of the Southeast (above-level)
Ladders Social Studies 5: The Aztec (above-level)
Ladders Social Studies 4: The Great Lakes (below-level)
Ladders Social Studies 5: The Inca (below-level)
Ladders Social Studies 4: The Great Lakes (on-level)
Ladders Social Studies 4: Native Americans of the Southeast (below-level)
Ladders Social Studies 4: Native Americans of the Southwest (below-level)
Ladders Social Studies 5: The Pueblo (below-level)
Ladders Social Studies 5: The U.S. Constitution (above-level)