Topics: Starter | Arithmetic | Calculator | Estimating | Mixed | Place Value

• Tam, Sussex PGCE
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• This one worked really well and got the pupils thinking! I made one change though, which was to change the number of days question to the days from 1500 AD because it was a bit too close to the number of seconds in a week, (700,000 and 600,000 respectively)
• J Hitchcox, Sheldon
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• I liked this activity as it made the students think.
  Interesting some of the answers. Some students have no real value of size. I did not read the January 1st one correctly. I missed the 1 at the end.
• Mr Keir, WHS
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• Well done Yr 10 Set 3 at Welshpool High School 2011! Jolly Good Show ALL CORRECT!
• Transum,
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• Just in case you hadn't noticed, the statements above can be dragged up and down the list when you get to the sorting stage. Dealing with such large numbers is a great opportunity to introduce standard form or scientific notation. Calculators may have presented the answers to the calculations in this format. There is a link to the Transum standard form exercises below.
• Ryder Craig, Linwood Avenue School, Christchurch
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• The last two are wrong! I calculated the whole thing after I finished it and the second last is in the tens of thousands, though the last is in the hundreds of thousands.
  
  [Transum: Thanks for leaving a comment Ryder. I think you have calculated the number of days since the 1st January in the year 1 incorrectly. Have another go.]

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