**The Main Challenge**

. . . is **Mathelona **with a difference, not an addition in sight!

But can you still make all four lines work out arithmetically by filling the 16 gaps with digits from **0 to 9**? Remember, each digit can only be inserted a maximum of TWICE:

◯ – ◯ = 6 = ◯ × ◯

◯ – ◯ = 2 = ◯ ÷ ◯

◯ – ◯ = 8 = ◯ × ◯

◯ – ◯ = 1 = ◯ ÷ ◯

Full details of our pocket book can be found by clicking **Mathelona**.

**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 1st & 6th rows contain the following fourteen numbers:

2 5 9 12 14 15 18 20 22 33 40 49 56 72

Which three different numbers on the list have a sum of 100?

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

**The Mathematically Possible Challenge**

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

1 4 9 16 25 36 49 64 81 100

#*SquareNumbers*

**The Target**** Challenge**

Can you arrive at **283** by inserting **2**, **3**, **4**, **5** and **6** into the gaps below?

- (◯×◯)+◯³+◯³–◯³ = 283

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

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