1. Write your ideas on the worksheet to complete the sentences.
Royal Institution Primary Maths Masterclasses
Big and Small
Write your ideas on the worksheet to complete the sentences.
Title slide, nice pictures to show what’s coming!
Image: public domain

2. The Royal Institution
Inspiring everyone to think more deeply about science and its place in our lives.
The Royal Institution was founded in 1799 and has always been about connecting everyone with the world of science. This could be finding out how science is used in their everyday lives, or exploring the wonders and beauty of science and finding out how interesting it can be. Whenever we talk about science, we don’t just mean chemistry, physics and biology – we mean maths, engineering, computing, technology, medicine and more – all of these are important for all of us, and are also incredibly useful, creative and beautiful topics.
We have always put on events and other activities for the public, but we have a long history of scientific research and discovery at the Ri too. Many famous scientists lived and worked over the Ri – 10 chemical elements were first isolated here, 14 scientists connected to the Ri have won Nobel Prizes, and some of the work discovered in the labs in our basement are still very much used today. One example is Michael Faraday’s work on electromagnetism, which forms the basis of every power station worldwide.
You can find out more about our heritage on our website:
Image credits: The Royal Institution

3. Royal Institution activities
Online videos & activity resources
National education programmes
Membership
London-based:
Talks and shows
Holiday workshops
Family fun days
Faraday Museum
Here are some of the things that the Ri does today. We especially have lots going on in London, so if you enjoy your Masterclasses there are a range of holiday workshops at the Ri which you might like to take part in.
Image credits: The Royal Institution, Paul Wilkinson, Katherine Leedale

4. The CHRISTMAS LECTURES
The CHRISTMAS LECTURES are the Ri’s most famous activity and are televised on the BBC. The first maths lectures by Prof. Sir Christopher Zeeman in 1978
started off the Masterclass
programme!
Christmas Lecturers include Michael Faraday, David Attenborough, Carl Sagan, Richard Dawkins, Alison Woollard, Saiful Islam & Alice Roberts
Begun by Michael Faraday in 1825, the CHRISTMAS LECTURES are now broadcast on UK television every December and have formed part of the British Christmas tradition for generations. The Lectures have been broadcast on TV since 1936 – we think they were the very first science programme on television. The theme changes every year, with the Lectures delivered by an expert in their field. Many world-famous scientists have given the Lectures since 1925, including David Attenborough, Carl Sagan, Richard Dawkins, and our latest Lecturer Sophie Scott. You can watch all of the recent CHRISTMAS LECTURES on our website, along with many of the older ones – and more are going online all the time. Ri members and UK schools can apply for tickets to see them being filmed live – but no adults can attend without someone aged accompanying them! To find out more about the Lectures (or Ri Membership) visit our website,
The first mathematics CHRISTMAS LECTURES were not until 1978, and were delivered by Professor Sir Christopher Zeeman. They were extremely popular and demonstrated all sorts of mathematical concepts, including mathematical proof – some of which you will see in your Masterclasses. In fact, the lectures were so popular that they started off the Masterclass programme and Christopher Zeeman delivered many of the sessions in the first few series of workshops in London. The most recent maths-themed CHRSITMAS LECTURES were delivered by Marcus Du Sautoy in 2006.
Watch Prof Sir Christopher Zeeman’s 1978 CHRISTMAS LECTURES:
Watch Marcus du Sautoy’s 2006 CHRISTMAS LECTURES:
Image credits: Tim Mitchell, Paul Wilkinson

5. Royal Institution videos
CHRISTMAS LECTURES – on the Ri website
We have a huge video channel on YouTube – if you have five minutes or five hours, there is something to interest you if you like science and maths. We make short videos showing a variety of experiments and the science behind the everyday, animations on interesting topics and we film many of our talks in London. We also have a special series called ExpeRimental which is mainly for parents and carers, or older brothers and sisters, all about doing science experiments at home with their children or younger siblings. As has been mentioned, recent CHRISTMAS LECTURES are available on the Ri website alongside select past Christmas Lectures – more are being digitised all the time. To watch our videos you can search for the Royal Institution on YouTube.  We hope that you will be able to find lots of fascinating things to watch and to help you continue your interest in science and maths once your Masterclass series has finished.

6. Royal Institution videos
CHRISTMAS LECTURES – on the Ri website
Ri on YouTube – experiments, videos & talks for all ages
We have a huge video channel on YouTube – if you have five minutes or five hours, there is something to interest you if you like science and maths. We make short videos showing a variety of experiments and the science behind the everyday, animations on interesting topics and we film many of our talks in London. We also have a special series called ExpeRimental which is mainly for parents and carers, or older brothers and sisters, all about doing science experiments at home with their children or younger siblings. As has been mentioned, recent CHRISTMAS LECTURES are available on the Ri website alongside select past Christmas Lectures – more are being digitised all the time. To watch our videos you can search for the Royal Institution on YouTube.  We hope that you will be able to find lots of fascinating things to watch and to help you continue your interest in science and maths once your Masterclass series has finished.

7. Royal Institution videos
CHRISTMAS LECTURES – on the Ri website
Ri on YouTube – experiments, videos & talks for all ages
ExpeRimental – science experiments at home
We have a huge video channel on YouTube – if you have five minutes or five hours, there is something to interest you if you like science and maths. We make short videos showing a variety of experiments and the science behind the everyday, animations on interesting topics and we film many of our talks in London. We also have a special series called ExpeRimental which is mainly for parents and carers, or older brothers and sisters, all about doing science experiments at home with their children or younger siblings. As has been mentioned, recent CHRISTMAS LECTURES are available on the Ri website alongside select past Christmas Lectures – more are being digitised all the time. To watch our videos you can search for the Royal Institution on YouTube.  We hope that you will be able to find lots of fascinating things to watch and to help you continue your interest in science and maths once your Masterclass series has finished.

8. Bigger
Smaller

11. 10 10

13. Image credits: stadiony.net

17. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

18. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

19. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

20. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

21. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

22. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

23. 10² = 10 × 10 = 100
10³ = 10 × 10 × 10 = 1000
10⁴ = 10×10×10×10 = 10,000

26. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

27. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

28. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

29. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

30. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

31. 1000 × 10 = 10,000
10³ × 10 = 10⁴
1000 × 100 = 100,000
10³ × 10² = 10⁵

32. 10⁴ × 10 = 10⁵
10³ × 10³ = 10⁶
1050 × 105 = 1055

33. 10⁴ × 10 = 10⁵
10³ × 10³ = 10⁶
1050 × 105 = 1055

34. 10⁴ × 10 = 10⁵
10³ × 10³ = 10⁶
1050 × 105 = 1055

35. 10⁴ × 10 = 10⁵
10³ × 10³ = 10⁶
1050 × 105 = 1055

40. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

41. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

42. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

43. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

44. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

45. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

46. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

47. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

48. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

49. 1000 ÷ 10 = 100
10³ ÷ 10 = 10²
100 ÷ 10 = 10
10² ÷ 10 = 10¹
10 ÷ 10 = 1
10¹ ÷ 10¹ = 10⁰

50. bit.ly/powersof10video

51. Estimating quantities

52. Estimating quantities
Powers of 10

53. Estimating quantities
Powers of 10
Methods for counting

54. Estimating quantities
Powers of 10
Methods for counting
Big and Small numbers

55. Write your answers on the post-it note and hand it in.
What have you enjoyed?
What would you like to do more of?
Write your answers on the post-it note and hand it in.
Do YOU have any unanswered questions?
Please share unanswered questions with the Ri team. This can be a good opportunity to get feedback too.

56. What else can I do to extend my knowledge of estimation and powers?
Try these as extra activities in class, or try them at home…
nrich.maths.org/7449
Discuss and Choose
These are activities they can try at home, or can be given to pupils who finish the main activities.

57. What else can I do to extend my knowledge of estimation and powers?
Try these as extra activities in class, or try them at home…
nrich.maths.org/8170/
Olympic Starters
These are activities they can try at home, or can be given to pupils who finish the main activities.

58. What else can I do to extend my knowledge of estimation and powers?
Try these as extra activities in class, or try them at home…
nrich.maths.org/10629
Estimating time
These are activities they can try at home, or can be given to pupils who finish the main activities.

59. What else can I do to extend my knowledge of estimation and powers?
Try these as extra activities in class, or try them at home…
nrich.maths.org/6349
A Question of Scale
(aimed at KS4: may need assistance)
These are activities they can try at home, or can be given to pupils who finish the main activities.

60. Big and Small Royal Institution Primary Maths Masterclasses
A big thank you!
Title slide, nice pictures to show what’s coming!
Image: public domain