**Today’s Challenge**

Try this 10-step number trail involving all four arithmetical operations together with numbers from 1 to 10.

Start off with the number 27, then:

- divide by 3
- subtract 1
- multiply by 6
- add 2
- ÷10
- +8
- –9
- ×4
- add 5
- ÷7

Got an answer? Why not leave a comment below or e-mail me at **paul@7puzzle.com**.

**The 7puzzle Challenge**

The playing board of **the 7puzzle game** is a 7-by-7 grid containing 49 different numbers, ranging from **2 **up to **84**.

The 2nd & 5th rows of the playing board contain the following fourteen numbers:

6 7 8 16 17 21 28 48 50 55 63 64 81 84

How many multiples of 5 are on the list?

**Make 315 Challenge**

Can you arrive at 315 by replacing the five letters **a b c d** and **e** with 1, 3, 5, 7 and 9?

3(**a**+**b**)²+**c**+**d**+**e** = 315

**Answers **can be found **here**.

**Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.**