Puddings

A Christmas Maths Starter Of The Day

Pudding

365g

Pudding

391g

Pudding

486g

Pudding

547g

? + ? = 877g

? + ? = 851g

? + ? = 756g

? - ? = 182g

? - ? = 26g

? + ? = 912g

? - ? = 61g

? - ? = 156g

? + ? = 938g

? - ? = 95g

Replace the question marks with the weights of the puddings.


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Topics: Starter | Arithmetic | Xmas

You can find many more ChristMaths activities at:

Transum.org/ChristMaths/

ChristMaths

  • Clive, Southampton
  • Monday, October 26, 2020
  • There is an old saying: 'work smarter… not harder’. Most of the pudding pairs required to complete the calculations above can be found by considering the ones (units) digit only. You can very quickly eliminate pairs of puddings that can't possibly be candidates for inclusion by only considering the last digits of their weights.

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Answers

a. 391 + 486 = 877g

b. 486 + 365 = 851g

c. 391 + 365 = 756g

d. 547 - 365 = 182g

e. 391 - 365 = 26g

f. 547 + 365 = 912g

g. 547 - 486 = 61g

h. 547 - 391 = 156g

i. 547 + 391 = 938g

j. 486 - 391 = 95g

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Worksheet

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Teacher, do your students have access to computers?
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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=December22

Here is the URL which will take them to another Christmas activity.

Transum.org/go/?to=xmasconsonants

Student Activity

 


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