I know how much you have been working on your math. Now you can put all that you've practised into solving these mysteries. Answers at the end, no peeking. Enjoy!
Other math skills to practise. Each has a PowerPoint and a PDF. The PDFs are the worksheets to accompany the PowerPoints that you can print off. There are three levels Bronze, Silver and Gold so find the level that gives you a bit of a challenge.
Just for fun!