Arrange the numbers on the yellow tiles so that the sum of the numbers in the vertical line is the same as the sum of the numbers in the horizontal line
How many different ways are there of doing this task?
A self-checking, interactive version of this activity with 30 different puzzles is here.
This is the
of this activity. See
the link below to the
pupils to use.
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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.
Here is the URL which will take them to the interactive version of this activity with 30 different variations.