Aunt Sophie at the Post Office

A Maths Starter of The Day

Aunt Sophie has 3p and 8p stamps only.

It will cost 73p to post a parcel.

How many of each type of stamp should she put on the parcel?

Stamp Stamp

3p

8p

Don't miss the interactive Stamp Sticking activity.

Aunt Ann visited the post office too.

She has many 5p and 7p stamps.

What's the largest whole number amount that can't be made with Aunt Ann's stamps?

Stamp Stamp

5p

7p

Starter of The Day Transum Mathematics Topics


Topics: Starter | Arithmetic | Investigations | Money | Number | Tables

  • The Best Maths Class Ever 7cd/m2, King Alfreds, Wantage Oxfordshire
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  • At first the starter was challenging but then it started to make sense and that was when everyone started to get the hang of it. All together we got all the answers between us. The people who got the first answer were Danny, Ryan, David, Murran, Molly, Bryony, Alicia and sir. And some others got the rest of the answers.
  • N Cox, Ipswich
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  • A good starter that can be developed easily into a differentiated lesson. For example, use the minumum number of stamps, pairs of stamp values that work for all postage values (1p stamp not allowed!). What sort of pairs work for the fewest values of postage.
  • Set 1 Year 4(Mathematical Whizz Kids! ), Banks Lane Junior School
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  • We found three ways to solve this problem by working systematically using multiples of 3 and 8.
    (2x8p)+(19x3p)
    (5x8p)+(11x3p)
    (8x8p)+(3x3p).
  • Transum,
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  • This is an old idea but still very worthwhile even though the cost of the stamps probably isn't very realistic at today's prices. It lends itself to be extended in a number of ways in addition to those suggested by N Cox above (thanks). Please share any ways of developing this activity that might be useful to other teachers.

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.
Click here to enter your comments.

Previous Day | This starter is for 8 July | Next Day

 

Answers

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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?
Do they have iPads or Laptops in Lessons?

Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Laptops In Lessons

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=July8

Here is the URL which will take them to an interactive stamp sticking activity.

Transum.org/go/?to=Sticking

Student Activity

 

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