Map Trap

Question

Map as described below, with small houses, clearly numbered. No street names on map. School is in lower right corner.

Angel, Dexter, and Jarvis each took a different route walking home from the school. They made a map to show their routes.

Angel's route:

  • Take the horizontal line on Main Street to the first intersection at Elm, Main, and Smith Streets.
  • Take Elm Street, which forms the side of an acute angle with Main Street.
  • Continue to the second of 2 parallel lines that intersect Elm Street.
  • Turn right.
  • Go to the first house.
  • What is its number?

Dexter's route:

  • Follow the vertical line, Adams Street, to the first street that is perpendicular to Adams Street. Turn left onto Oak Street.
  • Continue on Oak Street to Chapel Street, which forms an obtuse angle with Oak.
  • Take a right onto Chapel Street.
  • Continue to the third house.
  • What is its number?

Jarvis' route:

  • Take the horizontal line on Main Street past Smith Street to the street that makes a right angle with Main Street. Turn right onto Washington Street.
  • Take Washington Street to the streets that meet at the vertex of three other streets. Take the street that forms a right angle with Washington Street.
  • Go to the third house.
  • What is its number?

What is the number of the house where each person arrives?

Trace the path for each person and show the route.



Houghton Mifflin Math Grade 4