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WOOCS v.2.3.2

Decimal Checker Board Mat

49 Squares in the hierarchical colours of green, blue and red, on a grey background for the whole numbers.  The more luminous versions of green, blue and red, on the decimal checker board mat, highlight the decimal numbers.  Using this mat, the Child learns the concepts of short; and long multiplication; of whole and decimal numbers.


In stock

SKU: CE234

In stock


Explain the short and long multiplication exercises of whole numbers, using the decimal checker board mat.   The mat  includes hierarchies in the decimal system up to 100,000,000.  Working with this mat, and the decanomial bead bar box, teaches children the concepts of decimals.  Note:  The decanomial bead bars are sold separately.

Features of the Decimal Checker Board Mat:

  • the direct objective of this product, is to:
    • teach the Child the concepts of short; and long multiplication; of whole and decimal numbers
  • indirecty. the Child learns to:
    • mentally calculate the multiplication tables
    • focus and concentrate
    • learn to enjoy mathematics
  • this product is suitable for the lower and upper elementary classes
  • curriculum support material; aligned to the Montessori mathematics curriculum

Contents of the Decimal Checker Board Mat:

  • a synthetic mat, that is washable
  • this mat is a space saver
  • the beads don’t roll around
  • sold in an A5 transparent, plastic envelope to store the mat

This method of explaining arithmetic is fantastic!  It even helps to explain to parents how to calculate long multiplication, simply.

  • Wash separately
  • Use normal washing powder
  • Do not use softener
  • Lukewarm washing temperature
  • Do not tumble dry
  • Normal iron if required


  • mat – 63cm x 63cm / (24¾” x 24¾”)
  • A5 plastic envelope – 24cm x 17cm x 1.5cm / (9½” x 6¾” x ½”)

Additional information

Weight 0.100 kg
Dimensions 25 × 17 × 1.5 cm


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