Stage: 2 Challenge Level: 
The Zargoes use almost the same alphabet as English. What does this birthday message say?
H GNOD XNT GZUD Z VNMCDQETK CZX !
Practical Activity. Combinations. Interactivities. Working systematically. Addition & subtraction. Investigations. Multiplication & division. Factors and multiples. Trial and improvement. Visualising.
Published June 1999.
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