Colonial-style houses are best-sellers in the Washington area, comprising 40 percent of all home sales in the area.

How do you know if your house is one of those, and why does it matter?

As Susan Straight reports in this week’s Real Estate section, “real estate professionals say that knowing your Colonial from your Federal- and Tudor-style home really matters when it comes to buying and selling. That’s because certain styles are more popular than others, and a home’s style can factor into its resale value, agents say.”

Take the quiz below and test your knowledge of some of D.C.’s most common architectural styles.