** The Main Challenge**

Using the numbers **2**, **3** and **6** once each, with + – × ÷ available, list the 14 target numbers from **1-30** it is mathematically possible to achieve.

**T****he**** 7puzzle Challenge**

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

The 3rd & 5th rows contain the following fourteen numbers:

6 7 13 16 21 25 36 42 45 50 66 80 81 84

There are four square numbers present. What is the sum of their square roots?

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

**The Mathematically Possible Challenge**

Using **2**, **7** and **10 **once each, with + – × ÷ available, which THREE numbers is it possible to make from the list below?

4 8 12 16 20 24 28 32 36 40

#*4TimesTable*

**The Target**** Challenge**

Can you arrive at **276** by inserting **1**, **2**, **3**, **4** and **5** into the gaps below?

- (◯²–◯)×◯×◯×◯ = 276

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

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