**The Main Challenge**

Clues are given to help you find a particular number from the following facts:

- I am represented by just one word when written in English,
- On one side of me is a multiple of 3, on the other side is a multiple of 4,
- When you add 8 to me, I become a square number.

Who am I?

**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 4th & 6th columns contain the following fourteen numbers:

3 6 7 20 30 36 40 42 49 54 63 64 72 77

Can you find four different numbers from the list that have a sum of exactly 100?

**T****he Factors Challenge**

**The Mathematically Possible Challenge**

Using **2**, **9** and **12 **once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?

11 22 33 44 55 66 77 88 99 110

#*11TimesTable*

**The Target Challenge**

Can you arrive at **339** by inserting **2**, **3**, **5**, **6** and **7** into the gaps below?

- (◯²×◯×◯)–(◯×◯) = 339

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

**Click Paul Godding for details of online maths tuition.**