Welcome These challenges were developed by Derrick Willer
Welcome These challenges were developed by Derrick Willer MBE and colleagues. They are free to download and use in an education environment. Please ensure that there is adult supervision, complete adherence to Health and Safety, and adequate PPE. Derrick is a STEM Ambassador and volunteer Liaison Officer for Schools. He has supported education in schools and colleges for over 30 years, initially as a Neighbourhood Engineer in the 1980’s, leading the local Year of Engineering Success campaign in 1996 and the Campaign to Promote Engineering from 1997 to 2004. He was awarded an MBE for services to Education in 2018. Copyright © Derrick Willer 2011 www. dwiller. com
Guide This activity is for pupils to various logic and maths activities to solve. Risks Copyright © Derrick Willer 2011 Item Risk Aggression between pupils Injury Avoidance Action Close supervision and immediate action to defuse aggression www. dwiller. com
Welcome I very much hope that you will enjoy this fun maths activity and learn new things Copyright © Derrick Willer 2011 www. dwiller. com
Bags the Apples There are four people in the room. You have 10 apples and 4 bags. You put 1 apple in 1 bag 2 in the next, 3 in the next and the rest in the fourth bag. You don’t know!! None, Because all Why? ? ? the apples Wrong Because theregiven are only have been 4 people out in the room and one must be you and nobody has looked into their bag!! Each takes a bag but does not look into it. How many apples do you have? Copyright © Derrick Willer 2011 www. dwiller. com
Twins Say the following March is a town in Cambridgeshire. Twin boys were born in March. Their birthday was in September. When one was 30 the other was 32. other was thirty too. Then they married each other. How can this be? Copyright © Derrick Willer 2011 To marry each other they had to be either vicars or registrars. www. dwiller. com
Ships Ladder The ship has a ladder over the side which is 3 M long and just touches Wrong In 3 hours the water. It is low tide and the tide rises ½M every hour. Never! rises When will the. As tidethe reachtide halfway up the ladder? so does the ship! Copyright © Derrick Willer 2011 www. dwiller. com
A Different Hare and Tortoise Problem How high is the ladder? Hare + Ladder – Tortoise = 3 M Tortoise + Ladder – Hare = 2. 6 M 3 M 2. 6 M Add the equations Ladder + Ladder = 5. 6 M Ladder = 2. 8 M Copyright © Derrick Willer 2011 www. dwiller. com
A Different Hare and Tortoise Problem How tall is the Tortoise if the Ladder is 2. 8 M? Hare + 2. 8 M – Tortoise = 3 M 3 M 2. 6 M Tortoise + 2. 8 M – Hare = 2. 6 M Subtract the equations Tortoise + Tortoise = 0. 4 M Tortoise = 0. 2 M Using the first equation Hare = 0. 4 M tall Copyright © Derrick Willer 2011 www. dwiller. com
Can you Bear to do Sum Triangles? I decide to go on a walk. I set of by walking 1 KM south Then 1 KM west The bear is white because it is a Polar Bear. I am at the North Pole And 1 KM north And I am back where I started. I can see a bear What colour is the bear? Copyright © Derrick Willer 2011 www. dwiller. com
Money Goes Round Charlie wants to buy a birthday card for his sister. The birthday card costs £ 1. 25 p. Charlie must have two 50 p, two!! 10 p, Wrong two 2 p and two 1 p coins After paying, Charlie has 1 p left. Charlie had the same number of each coin. Which coins does he have? Copyright © Derrick Willer 2011 He has just 1 p and a birthday card !! www. dwiller. com
Alien A£ Money You may remember the aliens from the Funny Maths series who count in sixes (called senary) because they have three claws on each “hand” This alien had A£ 101 It spent A£ 32 on food How much does it now have? Counting in Sixes 1 2 3 4 5 10 Copyright © Derrick Willer 2011 11 12 13 14 15 20 21 22 23 24 25 30 31 32 33 34 35 40 41 42 43 44 45 50 51 52 53 54 55 100 Don’t forget it It has A£ 51 left counts in sixes Alien A£ 101 32 -------51 Decimal A£ 61 20 -------31 www. dwiller. com
See Quence What is the number of the parking spot occupied by the car? 87 Invert the picture Copyright © Derrick Willer 2011 www. dwiller. com
Thank You Copyright © Derrick Willer 2011 www. dwiller. com
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