# Thinking Strategically

Thinking Strategically is part of our Thinking Mathematically collection.

### Treasure Hunt

##### Age 7 to 14Challenge Level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

### Dozens

##### Age 7 to 14Challenge Level

Can you select the missing digit(s) to find the largest multiple?

### Factors and Multiples Game

##### Age 7 to 16Challenge Level

A game in which players take it in turns to choose a number. Can you block your opponent?

### Dicey Operations

##### Age 11 to 14Challenge Level

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

### Have You Got It?

##### Age 11 to 14Challenge Level

Can you explain the strategy for winning this game with any target?

### Gabriel's Problem

##### Age 11 to 14Challenge Level

Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?

### Shape Products

##### Age 11 to 14Challenge Level

These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?

### Diamond Collector

##### Age 11 to 16Challenge Level

Collect as many diamonds as you can by drawing three straight lines.

### Square It

##### Age 11 to 16Challenge Level

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

### Product Sudoku

##### Age 11 to 16Challenge Level

The clues for this Sudoku are the product of the numbers in adjacent squares.

### Wipeout

##### Age 11 to 16Challenge Level

Can you do a little mathematical detective work to figure out which number has been wiped out?

### 11x11 Square

##### Age 11 to 16Challenge Level

Here's a neat trick you can do with an 11 by 11 square...

### Connect Three

##### Age 11 to 16Challenge Level

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

### River Crossing

##### Age 11 to 18Challenge Level

There is nothing half so much worth doing as simply messing about in boats...

### Crossing the Bridge

##### Age 11 to 18Challenge Level

Four friends must cross a bridge. How can they all cross it in just 17 minutes?

### Warmsnug Double Glazing

##### Age 14 to 16Challenge Level

How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

### Latin Numbers

##### Age 14 to 16Challenge Level

Can you create a Latin Square from multiples of a six digit number?