Find the Factors – Iva Sallay
Try a Find the Factors puzzle from Iva Sallay.
Yohaku is a puzzle that will test your number sense and problem-solving skills. Each Yohaku puzzle is either an additive or a multiplicative puzzle. You must fill in the empty cells such that they give the sum or product shown in each row and column as well as satisfying a rule if given.
Can you crack the hidden code and place the correct colour marbles in the correct place?
Paul Godding’s 7 puzzle blog frequently offers new puzzles to try.
Simon Tatham’s Collection A collection 0f puzzles – these can all be run online.
Large collection of puzzles to test your skills including logic and lateral thinking puzzles.
Logic Puzzles from John Pratt – there is a link to solutions at the foot of the page.
Nick’s Puzzles (Nick Hobson)
Rubik Cube net puzzle (NRICH)
Building Blocks Can you arrange the blocks to fit the shape in the fastest time possible? (5 levels)