** The Main Challenge**

. . . involves making **7** when using the four numbers **0.7**, **1.6**, **2** and **10** once each, and with the four arithmetical operations + – × ÷ available.

Can you arrive at our signature target answer of **7**?

**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 3rd & 7th columns contain the following fourteen numbers:

4 5 9 12 15 17 24 28 32 35 50 66 80 81

What is the sum of the multiples of 5 listed above?

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

**The Mathematically Possible Challenge**

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

5 10 15 20 25 30 35 40 45 50

#*5TimesTable*

**The Target Challenge**

Can you arrive at **334** by inserting **2**, **3**, **4**, **4** and **5** into the gaps below?

- ◯⁵+◯⁴+◯³+◯²–◯ = 334

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

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