# Working with units algebraically

9 videos
3 skills
You already know some basic algebra and you've been exposed to units for some time now. In this tutorial, we meld these two ideas to think about units within the context of algebraic expressions.

### Multi-step unit conversion word problem

VIDEO 4:13 minutes
The fate of a squirrel is in your hands as it tries to run across the road before a car reaches it. Use what you know about unit conversion to help solve this word problem.

### Unit measurement word problem: running laps (US customary)

VIDEO 8:04 minutes
Remember that it's always easier to convert everything to like units before tackling a unit conversion word problem. That way your comparing apples to apples. Go for it...we'll explain as we work through it!

### Unit conversion word problem: roadtrip

VIDEO 3:47 minutes
The challenge in a word problem sometimes is knowing which numbers to choose when creating a simple equation. In this unit conversion word problem we'll answer the common question: "How much will a road trip cost me in gas?"

### Unit conversion word problem: drug dosage

VIDEO 10:44 minutes
Future doctors and nurses out there, take note. This unit conversion word problem deals with converting drug dosage units, something that is commonly done in hospitals. Give it a try with us.

### Unit conversion word problem: yards to inches

VIDEO 5:48 minutes
In this example, we need to convert from yards to inches. We'll do it a couple of ways.

### Units

PRACTICE PROBLEMS

### Treating units algebraically and dimensional analysis

VIDEO 6:29 minutes

### Figuring out units from formula

VIDEO 4:38 minutes

### Working with units algebraically

PRACTICE PROBLEMS

### Thinking about reasonable units to describe a rate

VIDEO 9:55 minutes

### Mileage assumption example

VIDEO 3:27 minutes

### Measurement precision

PRACTICE PROBLEMS