Featuring four Halloween-themed maths codebreaker worksheets, this pack covers addition, subtraction and multiplication and is a fun way to get your students practising their arithmetic. For each worksheet you need to complete the 26 sums in order to find the letters to answer the Halloween based riddle. Perfect for elementary/primary school students and also senior school students who need further practice. Worksheet 1 is purely addition, worksheet 2 is purely subtraction, worksheet 3 is purely