Math Drills
Amount per Unit Quantity
B-2Word Problems (Working Backward, Density)
What this worksheet covers
Grade 5 (Elementary School) / Amount per Unit Quantity / Amount per Unit Quantity
- Finding the Per-Unit Quantity2 questions
- Working Backwards, One Step1 question
- Working Backwards, Two Steps1 question
- Population Density2 questions


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Problems and answers on this worksheet
These are the problems in “Amount per Unit Quantity”, shown with their answers.
(1)With 2L of paint, you can paint a 10m² wall. How many m² can you paint per 1L? Answer □
Answer: 5m²
(2)A car traveled 100km on 5L of gasoline. With 1L, how many km would you say it traveled? Answer □
Answer: 20km
(3)You bought 900 dollars worth of truffle oil that costs 150 dollars per 1L. How much truffle oil did you buy, in how many L? Answer □
Answer: 6L
(4)You can buy 3m of silk ribbon for 90 dollars. If you buy 150 dollars worth of this ribbon, how many m can you buy? Answer □
Answer: 5m
(5)Town A has an area of 40km² and a population of 9600 people. Town B has an area of 50km² and a population of 10000 people. Which town has the higher population density? Answer □
Answer: A
(6)Town A has an area of 20km² and a population of 3600 people. Town B has an area of 25km² and a population of 5000 people. Which town has the higher population density? Answer □
Answer: B


