Pancakes Recipes

Proportion: Mixing: Making pancakes spreadsheet question feedback

This is part of the Citizen Maths course available at https://www.jisc.ac.uk/citizen-maths

Original of the video here

Pancakes Recipes
Waffles Recipes
Pies Recipes
Cookies Recipes
Bread Recipes

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Video Transcription

in the question you were asked how much
milk would be needed to make two or
three pancakes now how you answered the
question will depend on whether you’ve
used twelve or fourteen pancakes as the
original quantity of pancakes that can
be me as in the recipe and again that
may be come down to preference as to
whether you like thinner or thicker
pancakes
either way you would will you go to
enter your formula into the spreadsheet
you’re going to start by using the
equals sign and if we’re using the
thinner pancake recipe mix we’re basing
it round 14 pancakes then the original
quantity for two pancakes would be as a
fraction of the original quantity would
be two over fourteen and then you’re
going to multiply that by the quantity
of milk in the original recipe and that
should give you the quantity of milk
that is needed for two pancakes
similarly then again if we look at three
pancakes and that is a fraction of the
original recipe where we’re making the
thinner pancakes would be three over
fourteen and then you multiply that
again by the waitress is that incredibly
by the quantity of milk in the original
recipe and that gives us 4243
milliliters and again if your movie
based your calculations around a thicker
pancake so you’ve used 12 pancakes as
the quantity that can be made from the
original recipe again you’re putting
equals but this time your two pancakes
will be out of 12 and you want to
multiply that again by the amount of
milk in the original recipe and finally
then if you’ve made three pancakes from
the thicker mix of pancakes then you’re
putting equals in and in three out of 12
and you’re going to multiply that by the
original quantity of milk in the
original recipe so those are your values
remember that when you go to bake
obviously you’re not going to go to
anywhere near that level of accuracy
you’re definitely going to run to the
nearest whole number and in fact you
might run to the nearest five
milliliters or 10 milliliters but
hopefully you’ve got that correct that
those calculations done correctly on
your spreadsheet

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