Scale drawings: real length and drawn length

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. 1.

   Scale row 1 | 2, then row 3 | ?, with the arrow × 3 beside both columns. Kira draws a bedroom plan at 1 inch : 2 feet. The bed is 3 inches long on the plan. The table's next row is × 3. How many feet long is the real bed?

   6
2. 2.

   Scale row 1 | 2, then row 9 | ?, with the arrow × 9 beside both columns. Zee's bike map has the scale 1 cm : 2 km. The lake trail is 9 cm on the map. The table's next row is × 9. How many km long is the real trail?

   18
3. 3.

   Bo's school floor plan uses the scale 1 cm : 2 m. The gym wall is 14 cm long on the plan. How many meters long is the real gym wall?

   28
4. 4.

   Jun draws a blue whale for a class poster at 1 inch : 10 feet (it barely fits). The whale is 9 inches long on the poster. How many feet long is the real whale?

   90
5. 5.

   Luz plans a room makeover at 1 inch : 2 feet. The real couch is 8 feet long, with room for three friends. How many inches long is the couch on the plan?

   4
6. 6.

   Ren builds a model car at 1 inch : 2 feet. The real car is 14 feet long, bumper to bumper. How many inches long is the model?

   7
7. 7.

   On Pia's park map, the pond is 4 cm across. The real pond is 20 m across, plenty of room for ducks. How many meters does 1 cm on the map stand for?

   5
8. 8.

   Tala's model rocket is 12 inches tall. The real rocket is 300 feet tall. How many feet does 1 inch on the model stand for?

   25
9. 9.

   Ari's campground map has the scale bar shown. The path from the tent to the lake is 7 cm on the map. How many meters is the real path?

   350
10. 10.

    Esme draws the classroom plan shown, every desk in place. How many feet long is the real classroom?

    32