ANGLE TANGLE


Materials:
  • protractor
  • straightedge
  • blank sheets of paper
Number of Players:

Two (2)

Directions:

In each round:

  1. Player A uses a straightedge to draw an angle on a sheet of paper.
  2. Player B estimates the degree measure of the angle.
  3. Player A measures the angle with a protractor.
  4. Player B's score is the difference between the estimate and the actual measure of the angle.
  5. Players trade roles and repeat steps 1-4.

Players add their scores at the end of 5 rounds.  The player with the lower total score wins the game.

Example:
Player A Player B
  Estimate Actual Score Estimate Actual Score
Round 1 120° 108° 12 50° 37° 13
Round 2 75° 86° 11 85° 87° 2
Round 3 40° 44° 4 15° 19° 4
Round 4 60° 69° 9 40° 56° 16
Round 5 135° 123° 12 150º 141° 9
Total Score     48     44
Player B has the lower total score.  Player B wins the game.