Scale drawings: real length and drawn length

Answer Key - Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

1. 1.

   Milo's road map uses the scale 1/2 inch : 15 miles. The drive to the lake is 4 inches on the map. How many miles is the real drive?

   120
2. 2.

   Esme's map uses the scale 1/4 inch : 3 miles. The scenic drive around the big lake is 5 inches on the map. How many miles is the real drive?

   60
3. 3.

   Jun's state map uses the scale 1/2 inch : 20 miles. The real drive to the mountains is 90 miles (snacks: many). How many inches long is it on the map?

   2 1/4
4. 4.

   Ari builds a model sailboat at 1/2 inch : 3 feet. The real boat is 39 feet long. How many inches long is the model?

   6 1/2
5. 5.

   On Tala's bike map, 3/4 inch stands for 12 miles of trail. How many miles does 1 inch on the map stand for?

   16
6. 6.

   Luz plans a kayak trip using the map's scale bar shown. The real trip is 6300 m. How many cm long should the trip be on the map?

   4.2
7. 7.

   Kira marks a 3500 m fun run on a map with the scale bar shown. How many cm long is the fun-run route on the map?

   2.8
8. 8.

   Pia's school plan uses 2 cm : 8 m, and the front wall is 9 cm. On a new plan at 1 cm : 5 m, how many cm long is that wall?

   7.2
9. 9.

   Zee's map uses 4 cm : 10 km, and a river is 9 cm long. On a bigger poster map at 1 cm : 1.5 km, how many cm long is the river?

   15
10. 10.

    Noah builds a model airplane at 1 inch : 6 feet, a favorite size for model kits. What is the scale factor from the model to the real airplane?

    72