Computational Thinking Challenge UK Bebras 2014 More Difficult Example Phone Messages A class at Bebras High School has 39 students. The phone list shown here is used to pass messages from the teacher. Blue boxes correspond to students. Black lines connect each person with the people that they must phone. Each phone call lasts 3 minutes. Each person can only talk to a single person on the phone at a time. on t he Star ts ber 2014 ovem 10th N When the teacher starts the first phone call to announce a message, how many minutes go by until the message is completely delivered to all 39 students? 18 minutes 27 minutes 39 minutes 117 minutes • Delivered online at school or at home (for home school students) • Bebras is FREE to enter! • No prior computing/programming/ICT knowledge is required Find out more at: www.b eaver-comp.org.uk www.beaver-comp.org.uk UK Bebras 2014 Computational Thinking Challenge CHALLENGE FORMAT Easy Example • Bebras can be delivered within one school hour (Challenge takes 45mins) • Delivered online at school or at home (for home school students) • There is no need to transport the children oﬀ site • Bebras is FREE to enter! • No prior computing/programming/ICT knowledge is required Age Groups England and Wales: Scotland: Northern Ireland: Elite: Years 12 & 13 Elite Years S5 & S6 Elite: Years 13 & 14 Higher: Years 10 & 11 Higher: Years S3 & S4 Higher: Years 11 & 12 Intermediate: Years 8 & 9 Intermediate: S1 & S2 Intermediate: Years 9 & 10 Junior: Years 6 & 7 Junior: Years P6 & P7 Junior: Years 7 & 8 Castors*: Years 4 & 5 Castors*: Years P4 & P5 Castors*: Years 5 & 6 Kits*: Years 2 & 3 Kits*: Years P2 & P3 Kits*: Years 3 & 4 Frog Jump A frog gets exercise by jumping around a pond. It jumps from lily pad to lily pad in the sequence shown. It starts at the lily pad labelled S. It ends on the lily pad it is currently sitting on. Each black dot marks a lily pad on which the frog has landed. * pilot years - Castors and Kits can enter as individuals or small groups (up to 4) The “compass” shows 8 possible directions of a jump as integers from 0 to 7. Which sequence describes the frog’s path? HOW TO GET INVOLVED • Contact your school and ask your ICT / Maths / Science teacher to A 4, 1, 0, 0, 6, 6, 4, 4, 2, 2, 1 B 0, 0, 6, 6, 6, 4, 4, 2, 2, 4, 4, 1 • If you are a home school student then your parent can register as a C 0, 0, 6, 6, 6, 0, 0, 2, 2, 2, 2, 4, 4, 4 register on behalf of the school coordinator. www.beaver-comp.org.uk D 6, 6, 4, 4, 4, 2, 4, 1, 1, 1 www.beaver-comp.org.uk