Great activity for upper Key Stage 2 (or more able Y3/4) as a fun way to deepen knowledge of x tables. Includes coded versions of four of the multiplication tables (4,5,6 and 9x). Children have to use their knowledge of all of the times tables to crack the code! [Examples of 'clues' to look for: e.g. 5x table - last digit always ends in one of two letters - i.e. 0 or 5. Always look for answers that remain the same as the question - must be multiplying by 1. Check for one or two digits in the answers as a clue to what the x table might be. Identify zero by finding 10 x ? = ?0. Etc.] Solutions provided.
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