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Unit Cost lesson
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Calculating Unit Price Worksheet (15 min) Practice on your own
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Extra Time? http://www.mathsisfun.com/measure/unit-price-game.html
We are going to calculate Unit Price Determine which item is a better value
Rice Chex CerealLarge = $1.99 (64 oz)Small = $2.49 (16 oz)
PopcornOrganic OR butter popcorn $2.99(3 bags)Smart Balance $2.99 (4 bags)
Ranch DressingKraft Ranch = $2.99 (16 oz)Hidden Valley Ranch = $3.69 (16 oz)
Fractions/Decimal Equivalents¾ = .75½ = .50
Need Number Line
0 1/4 3/41/2 1
0.25 0.5 0.75
Unit Price is the cost for each unit. Examples:
Per ounce Per lb Per item such as a bunch of bananas or bag of
candy bars
Formula:Price Per Unit = Price of item divided by # of units
Find the unit price of a 32 oz bottle of household cleaner and then decide which is the best purchase based on the unit price per ounce.
Size Price Unit Price
8 oz $1.99 24.875 ¢/oz
12 oz $2.99 24.917 ¢/oz
16 oz $3.49 21.813 ¢/oz
32 oz $6.29
The unit price for the 32-oz size is given by$6.29
32 oz
629 cents
32 oz
629 cents
32 oz 19.656 cents per ounce
19.656 ¢/oz
Based on unit price alone the 32-oz size is the best buy.
Place value
1.125678 1.124987
Compare Decimals
1.125678
1.124987
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