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.

   Bo's house plan is drawn at 1/4 inch : 1 foot, a scale builders use. The kitchen wall is 5 inches on the plan. How many feet long is the real wall?

   20
3. 3.

   Pia draws a bedroom plan at 1/4 inch : 1 foot. The real wall behind the bed is 13 feet long. How many inches long is that wall on the plan?

   3 1/4
4. 4.

   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
5. 5.

   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
6. 6.

   On Noah's castle model, 3/8 inch stands for 18 feet of real castle wall. How many feet does 1 inch on the model stand for?

   48
7. 7.

   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
8. 8.

   Milo draws the soccer field plan shown for the team. How many meters of chalk line go all the way around the real field?

   345
9. 9.

   Kira wants a string of lights all the way around the bedroom ceiling. Using the plan shown, how many meters of lights are needed?

   16
10. 10.

    Tala's model train uses the scale 1 inch : 8 feet. What is the scale factor from the model to the real train?

    96