the candy man: unit pricing

When something is 'too small / large' to appreciate its magnitude, a model can be made. At the grocery store this concept is called Unit Pricing. It allows customers to make price comparisons between brand names and package sizes.

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candy price amount - oz packs / lb $ / lb amount - g packs / kg $ / kg

m & m's

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dots

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life savers

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hershey

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tick-tacks

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life saver holes

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process: making models

there are two ways to make an upscale model -- that is, calculating the price of a larger quantity if the cost is known for a smaller amount.

m & m's: 2.4 ounces = 45¢

strategy / process #1:
- how much does 1 oz. cost ?
- and then multiply by 16 oz in a pound
- _________ = cost per ounce x 16

m & m's: 2.4 ounces = 45¢

strategy / process #2:
- how many bags make 16 ounces ?
- and then multiply by 45¢ per bag
- _________ = # of bags = 1 lb. x 45¢
  4/6st/96

candy	price	amount - oz	packs / lb	$ / lb	amount - g	packs / kg	$ / kg
m & m's	______	______	______	______	______	______	______
dots	______	______	______	______	______	______	______
life savers	______	______	______	______	______	______	______
hershey	______	______	______	______	______	______	______
tick-tacks	______	______	______	______	______	______	______
life saver holes	______	______	______	______	______	______	______