Grid Logic Puzzles

Cover of Primary Puzzles Issue 1 with a maze on the cover
Primary Puzzles 1

Logic and Deduction as a Puzzle

Practice logic and deduction by doing these grid puzzles. Find many more in puzzle books from newsagents..do a logic puzzle a day to exercise your brain and help you become a better thinker (and programmer)

Create your own for your friends to do.

Find Puzzles and solutions below

Start early – if a primary teacher have short puzzle sessions every day.

UK Schools order print copies of our Primary Puzzles magazines and booklets here (while stocks last).

Solving Grid Logic Puzzles

An example logic puzzle grrid

Use the clues to fill in the grid. Put ticks in the corresponding boxes for facts that you know definitely true. Put crosses where you know they are definitely false. Once you know some links copy the information it gives you to elsewhere in the grid. For some facts in the grid you need to deduce the appropriate thing from your general knowledge about the facts given.

The puzzles with solutions

Puzzle 1: Playing games

The grid for the puzzle to help you work out all the facts.

Given some basic facts, use logic and deduction to work out all the facts. Who is playing what game at what level and what is their avatar name?

Puzzle 2: Santa’s Reindeer

Given some basic facts, use logic and deduction to work out all the facts. Which reindeer is in which position, what is their favourite snack and what is the colour of their blanket?

More on …

Subscribe to be notified whenever we publish a new post to the CS4FN blog.

This blog is funded by EPSRC on research agreement EP/W033615/1.

QMUL CS4FN EPSRC logos