Scale drawings: real length and drawn length

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Kira's cycling map uses the scale 2 cm : 5 km. Today's bike route is 9 cm on the map. How many km is the real route?

   22.5
2. 2.

   Ren's classroom plan is drawn at 4 cm : 3 m. The long wall is 12 cm on the plan. How many meters long is the real wall?

   9
3. 3.

   Luz draws a jet for the airplane club at 2 cm : 5 m. The wings are 14 cm from tip to tip. How many meters is the real wingspan?

   35
4. 4.

   Bo draws a sailboat 8 cm long, flag and all. The real boat is 10 m long. How many meters does 1 cm of the drawing stand for?

   1.25
5. 5.

   Noah's toy delivery truck is a model 8 inches long. The real truck is 25 feet long. How many feet does 1 inch of the model stand for?

   3.125
6. 6.

   Jun's camping map has the scale bar shown. The kayak route down the river is 7 cm on the map. How many km is the real route?

   17.5
7. 7.

   Tala's city map has the scale bar shown. The walk from school to the library is 6 cm on the map. How many km is the real walk?

   4.5
8. 8.

   Ari's road map has the scale bar shown. The drive to the beach is 13 cm on the map, plenty of time for songs. How many km is the real drive?

   260
9. 9.

   Pia's park map uses 1 cm : 50 m, and the pond path is 7 cm. Pia redraws the map smaller at 1 cm : 100 m. How many cm long is the path now?

   3.5
10. 10.

    Noah's bedroom plan uses 1 inch : 8 feet, and the window wall is 1.5 inches. Noah redraws it bigger at 1 inch : 4 feet. How many inches long is that wall now?

    3