Le Matou Matheux : integers

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Sums and differences

Write down a 3 digit integer such that the first and last number are NOT consecutive.

A =

Now write the number backwards.

B =

Calculate the difference between these two numbers.

C =

Now write your answer to the previous question backwards.

D =

Calculate the sum of these two last numbers.

C + D =

Now try it again with different numbers to see some magic!!!

Write down a 3 digit integer such that the first and last number are NOT consecutive.

A =

Now write the number backwards.

B =

Calculate the difference between these two numbers.

C =

Now write your answer to the previous question backwards.

D =

Calculate the sum of these two last numbers.

C + D =