**Today’s Challenge**

How quickly can you correctly answer the following seven questions?

- (17 – 4) + (12 – 9) = ?
- (3 – 2) – (16 – 16) = ?
- What is two-thirds plus three-quarters?
- 109 + 10 = ?
- (3 + 16) + (16 + 9) = ?
- (11 – 5) + (4 + 1) = ?
- What is the perimeter of a 13cm by 13cm square?

**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 2nd & 5th rows of the playing board contain the following fourteen numbers:

6 7 8 16 17 21 28 48 50 55 63 64 81 84

Which two numbers in the list are cube numbers?

**Make 105 Challenge**

Can you arrive at 105 by inserting 5, 5, 6 and 10 into the gaps on both lines?

- ◯×(◯+◯)–◯ = 105
- ◯²+◯–◯÷◯ = 105

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

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