A Swedish Example of a Professor Morris puzzle
Sture Marklund, a grandfather and teacher of Grade 4 in remote Sweden, became interested enough in Professor Morris Puzzles to create this one in Swedish. It is the same puzzle as above, but the story is about a fisherman who has to deal with a pike which is cutting up his line.

Seeking A Solution

Topics

Measurement, doubling and halving, fractions, ratio

Task Centre Connection

Task 41: Scale Drawing

Task 58: See Saw

Task 99: How Many Beans?

Task 136: Four Bean Mix

Task 177: Making Fractions 2

Strategy

Draw a diagram

Solution

30 metres

Start Talking

• Have you tried 'class classifying' problems like:

  Half of the class are boys. Half of that half wear school jumpers. One third of the school jumper group also wear black shoes. Two boys wear black shoes. How many children in the class?

• Have you tried the children making up their own 'class classifying' problems?

Puzzles are full A4 pages.

They are copyright free for your class

and can be easily enlarged to A3 or more.

Several schools enlarge them onto card,

laminate them and use them for

display in maths rooms.

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