** T****h****e Main Challenge**

. . . is a typical challenge from the excellent American maths card game, *24game*®.

Using the four numbers **2**, **4**, **4** and **9** once each, with + – × ÷ available, can you arrive at the target number of **24**?

**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 & 5th rows contain the following fourteen numbers:

2 6 7 9 14 15 16 21 22 40 50 72 81 84

Which two numbers, when 16 is added to them, each become a square number?

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

**The Mathematically Possible Challenge**

Using **3**, **7** and **9 **once each, with + – × ÷ available, which THREE numbers are NOT 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 **265** by inserting **2**, **4**, **7**, **8** and **10** into the gaps below?

- (◯²+◯–◯)×(◯÷◯) = 265

**A****nswers **can be found **here**.

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