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Maziyar from Sir Roger Manwoods School and Rachel from Histon and Impington Infant School both sent completely correct solutions to Planet Plex Time. Maziyar says:
School starts at one 'o' clock.
He'll be about two get up two hours later.Rachel explains how she worked out the final part:
I worked this out by saying that 1 hour later he gets up on Thursday; 2 hours later he goes to school on Thursday; 3 hours later he has lunch on Thursday; 4 hours later, he plays on Thursday; 5 hours later he has dinner on Thursday; 6 hours later he goes to sleep on Thursday; 7 hours later he gets up on Friday; 8 hours later he goes to school on Friday and 9 hours later he finishes school, and is about to have lunch.
Well done both of you.
Read this article to find out the mathematical method for working out what day of the week each particular date fell on back as far as 1700.
Calendars were one of the earliest calculating devices developed by civilizations. Find out about the Mayan calendar in this article.