**Today’s Challenge**

Find the answer to this large number trail which involves fourteen arithmetical steps and includes fraction and percentage calculations. Start with the number 11, then:

- double it
- 50% of this
- +50
- subtract thirty-five
- ÷2
- +37
- 3/5 of this
- +70
- –2%
- 1/2 of this
- +311
- subtract twenty
- add ten
- ÷7

What is your final answer?

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

2 4 9 11 14 15 22 24 27 30 40 70 72 77

What is the difference between the highest multiples of 5 and 6?

**Make 17 Challenge**

Can you arrive at 17 by inserting 2, 5, 6 and 6 into the gaps on each line?

- ◯²–√(◯×◯)–◯ = 17
- ◯²×◯÷◯+◯ = 17
- (◯÷◯+◯)×◯ = 17

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

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