**Today’s Challenge**

Try the following **MATHELONA** challenge by inserting the digits 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 7 and 7 into the 12 gaps below and making all three lines work out arithmetically.

◯ + ◯ = 4 = ◯ – ◯

◯ + ◯ = 12 = ◯ × ◯

◯ + ◯ = 1 = ◯ ÷ ◯

Further details of our popular pocket book can be found by clicking **MATHELONA**.

**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 1st & 5th columns of the playing board contain the following fourteen numbers:

8 11 13 14 18 21 22 25 27 44 55 56 60 84

How many pairs of numbers have a difference of 33?

**Make 336 Challenge**

Can you arrive at 336 by inserting 3, 4, 6, 7 and 8 into the gaps below?

◯×◯×√◯×(◯–◯) = 336

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

**Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.**