adds up to 9

Crossnumber puzzle

Dots puzzle

How many eggs?

How many squares?

How many triangles?

How old am I?

Can you join the dots?

adds up to 12

Who is lying?

Logic puzzle

Lines puzzle 1

Lines puzzle 2

Lines puzzle 3

Magic square puzzle

Miners puzzle

Multiples of 5

Adds up to 999

Adds up to 13

Pizza puzzle

Subtraction puzzle

Triangle puzzle

Sum and product puzzle