A comprehensive guide to mastering the math concepts tested on the PSAT, including real-world applications and testing strategies.
In science, travel, cooking, and everyday life, units matter. You may need to convert between inches and centimeters, pounds and kilograms, or dollars and euros.
Use multiplication or division and the appropriate conversion factor. Set up proportions when you don’t know the direct conversion.
Understanding measurement helps with planning, decorating, or building something—no surprises when that new desk actually fits in your room!
Converting 5 kilometers to meters: \( 5 \times 1000 = 5000 \) meters.
Transforming a recipe from cups to milliliters using 1 cup = 240 ml.