(intended to be done without a calculator)
to extend/develop this task:
find the sum of the four numbers in the main part (not the outside) of the multiplication grid for each of the questions
and try to explain the result
or give further examples
Thursday, 27 January 2011
decimal multiplication and division
(intended to be done without a calculator)
to extend/develop this task:
find the sum of the four numbers in the main part (not the outside) of the multiplication grid for each of the questions
and try to explain the result
or give further examples
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