**The Main Challenge**

Using any five numbers from **1-5** (more than once each if required) and with + – × ÷ available, can you find two different ways of arriving at the target number **86**?

**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 & 5th rows of the playing board contain the following fourteen numbers:

3 6 7 10 16 21 32 35 44 50 54 60 81 84

What is the difference between the two largest odd numbers?

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

**The Mathematically Possible Challenge**

Using **8**, **10** and **12 **once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

90 91 92 93 94 95 96 97 98 99

#*NumbersIn90s*

**The Target**** ****Challenge**

Can you arrive at **296** by inserting **1**, **3**, **5**, **6** and **7** into the gaps below?

- (◯×◯+◯)×(◯²–◯) = 296

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

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