Clouds

The "Sum Sky" is obscured by clouds. What do you think the calculations in the sky would look like if there were no clouds?

30 + 20 = 50

22 x 3.9 = 85.8

5.4 - 3 = 2.4

2.3 + 3.15 = 5.45

21.79 - 19.7 = 2.09

374 ÷ 11 = 34

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Topics: Starter | Arithmetic

  • The Best Maths Class 7cd/M3, King Alfred's College, Oxfordshire
  •  
  • I found the last one quite confusing. But a nice challenge to start our lesson today. It was easier with a calculator but we made a rule not to.
  • Beth, Weston
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  • It would be nice if we could move the clouds to make it more interactive. Apart from that I loved it. Year 10.
  • Kate,
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  • I`m from year 4 and I think we should be able to move the clouds so we can see if we got the answers right.
    [Transum: 'Good idea, you can now drag the clouds away']
  • Karen, Australia
  •  
  • We can't move the clouds even though the previous response indicates otherwise.

    [Transum: The weather has improved and once again the clouds are moveable - Sorry for the inconvenience and thanks for letting Transum know!]

How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
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Previous Day | This starter is for 30 March | Next Day

 

Answers

30 + 20 = 50

22 x 3.9 = 85.8

5.4 - 3 = 2.4

2.3 + 3.15 = 5.45

21.79 - 19.7 = 2.09

374 ÷ 11 = 34

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.



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Laptops In Lessons

Teacher, do your students have access to computers such as tablets, iPads or Laptops?  This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:

Transum.org/go/?Start=March30

However it would be better to assign one of the student interactive activities below.

Laptops In Lessons

Here is the URL which will take them to a related student activity.

Transum.org/go/?to=Clouds

Student Activity

 


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