**The Main Challenge**

. . . is a tricky number puzzle from **Mathematically Possible**, our board game that is great for arithmetic and strategy:

Using the numbers **4**, **5** and **10** once each, with + – × ÷ available, can you list the TEN different target numbers that are possible to achieve from **1 to 30** inclusive?

**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 product of the two prime numbers in the list?

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

**The Mathematically Possible Challenge**

Using **2**, **9** and **12 **once each, with + – × ÷ available, which FOUR numbers are 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 **335** by inserting **3**, **4**, **5**, **6** and **7** into the gaps below?

- (◯³+◯×(◯–◯))×◯ = 335

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

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