A pumpkin weighed 6½ kg before it was carved. It now weighs 1½ kg. What fraction of its weight has been removed?
How many ghosts are in the haunted house?
Here are some clues:
There are more than the number of days in October
There are less than the product of 7 and 5
The answer is an odd number
Seven mummies in a row
Fifteen rows plus another two
I think it's time that you should go
Because all those mummies are after you
How many mummies are chasing you?
How many bats?
Clue: A square number;
More than four squared;
Less than four cubed;
Even.
Count your toes and hands and feet
Multiply those three sums
Add the month when ghosts all meet
Subtract the date halloween comes.
Teacher: Tap on a window for a Halloween Starter.
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Topics: Starter  Fractions  Mixed
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Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items chosen and recommended by Transum Mathematics to get you started.
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Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=October31
Here is the URL which will take them to a related student activity called 'Trick or Treat'.
But if it is something less mathematical with a Halloween theme you want:
Spooky sound effect (Ambient Darkness) is by D J Chronos at Freesound.org