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.

   Pia's map uses the scale 2 cm : 5 km. The real lake is 12 km long and full of very busy ducks. How many cm long is the lake on the map?

   4.8
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.

   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
6. 6.

   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
7. 7.

   Kira draws the bedroom plan shown before moving any furniture. How many meters wide is the real bedroom?

   3.4
8. 8.

   Ren draws the tiny house plan shown, with a loft bed up top. How many feet wide is the real tiny house?

   8
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