Three Consecutive Numbers
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Think of three consecutive integers
Multiply the first
one by 2
Multiply the second
one by 4
Multiply the third
one by 10
Add up these three amounts
Write down your answer
erent sets of consecutive integers.
© Colin Foster (2011) Resources for Teaching Mathematics 11–14. London: Continuum.
nal answer? Can you explain why?
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SH
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Now try changing the ‘2’, the ‘4’ and the ‘10’ into other integers.
nd?
© Colin Foster (2011) Resources for Teaching Mathematics 11–14. London: Continuum.