MAY SALE! Get Math Mammoth and Make It Real Learning digital downloads at 28% off — right here at the website. Use coupon code FESP-QJQ7-QYVC at checkout. Offer valid through May 27, 2024.

Floor plans and scale ratio - 7th grade math

We calculate the dimensions of a room either on paper or in reality, based on the given scale (or scale ratio). The last problem has to do with changing the scale in a scale drawing. It asks for the dimensions if a rectangle that's drawn at scale 1:50 is now drawn at scale 1:80 instead.

See also

How to calculate distances on the map or in reality using the map scale

Math Mammoth Grade 7 curriculum (pre-algebra)

Back to pre-algebra videos index

Back to the index of all videos