** The Main Challenge**

How many 3-digit numbers contain at least **two 7’s**?

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

3 5 6 9 20 24 28 32 42 50 63 66 72 77

Which FIVE numbers become prime numbers when 5 is added to each of them?

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

**The Mathematically Possible Challenge**

Using **1**, **3** and **9 **once each, with + – × ÷ available, which SIX numbers is it possible to make from the list below?

6 12 18 24 30 36 42 48 54 60

#*6TimesTable*

**The Target Challenge**

Can you arrive at **347** by inserting **2**, **4**, **5**, **10** and **20** into the gaps below?

- ◯²–◯²–◯×(◯+◯) = 347

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

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