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Laying a Roman floor mosaic

Roman craftspeople made floors by pressing tiny cubes of coloured stone into wet mortar. Together the cubes formed bold geometric patterns held inside strong borders.

In the picture

  1. Tessera: a small cut cube of stone, set by hand
  2. Mortar bed: the grey base that holds each cube in place
  3. Geometric pattern: rows of black and white cubes forming shapes
  4. Border: a wide frame that closes in the pattern

Examples

  • A black-and-white tiled floor in an old Roman villa or bathhouse
  • A modern pixel picture, where tiny squares build a bigger image

Quiz: Laying a Roman floor mosaic (Age 12)

  1. What were Roman floor mosaics made from?

    • Thin sheets of polished marble glued to wood
    • Large clay tiles baked in a kiln
    • Small cubes of coloured stone pressed into mortar
  2. What job does the border do on a Roman mosaic floor?

    • It frames and closes in the geometric pattern
    • It stops the cubes from sinking into the mortar
    • It shows which room was the most important
  3. What kept each cube of a Roman mosaic in place?

    • A mortar bed that the cubes were pressed into
    • Glue made from tree sap
    • Wooden pegs hammered through each cube

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Art, Age 12