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There are **22** NRICH Mathematical resources connected to **Thinking strategically**, you may find related items under Thinking mathematically.

Problem
Primary curriculum
Secondary curriculum
### Rhombus It

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 rhombus.

Age 11 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Parallelogram It

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 parallelogram.

Age 11 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Shape Products

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

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Gabriel's Problem

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

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Wipeout

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

Age 11 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### How Much Can We Spend?

A country has decided to have just two different coins, 3z and 5z coins. Which totals can be made? Is there a largest total that cannot be made? How do you know?

Age 11 to 14

Challenge Level

Game
Primary curriculum
Secondary curriculum
### Dicey Operations

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

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Treasure Hunt

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

Age 7 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Connect Three

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

Age 11 to 16

Challenge Level

Game
Primary curriculum
Secondary curriculum
### Diamond Collector

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

Age 11 to 16

Challenge Level

Game
Primary curriculum
Secondary curriculum
### Factors and Multiples Game

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

Age 7 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Product Sudoku

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

Age 11 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Warmsnug Double Glazing

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

Age 14 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Square It

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.

Age 11 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Latin Numbers

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

Age 14 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Have You Got It?

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

Age 11 to 14

Challenge Level

List
Primary curriculum
Secondary curriculum
### Thinking Strategically - Short Problems

A collection of short Stage 3 and 4 problems on Thinking Strategically.

Age 11 to 16

Problem
Primary curriculum
Secondary curriculum
### River Crossing

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

Age 11 to 18

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Crossing the Bridge

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

Age 11 to 18

Challenge Level