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

Start at **7** and subtract **0.1**, followed by **0.2**, then **0.3** . . . and so on.

What is the first answer **less than 1** you will arrive at . . . and the first **negative number** following that?

**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 3rd & 7th rows of the playing board contain the following fourteen numbers:

4 11 13 24 25 27 30 36 42 45 66 70 77 80

How many multiples of 3 are listed?

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

Which of the following numbers are factors of **256**?

2 4 6 8 10 12 14 16

[ *Today’s Hint: A number is a multiple of 8 if you halve it, halve it again . . . and it’s still even! *]

**The Mathematically Possible Challenge**

Using **5**, **8** and **11 **once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

11 22 33 44 55 66 77 88 99 110

#*11TimesTable*

**The Target**** Challenge**

Can you arrive at **256** by inserting **2**, **3**, **4**, **5** and **6** into the gaps below?

- ◯³×◯²×√(◯+◯–◯) = 256

**An****swers **can be found **here**.

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