There are 366 different Starters of The Day, many to choose from. You will find below some starters on the topic of Logic. A lesson starter does not have to be on the same topic as the main part of the lesson or the topic of the previous lesson. It is often very useful to revise or explore other concepts by using a starter based on a totally different area of Mathematics.

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### Logic Starters:

A number placing puzzle which, when solved, raises the notion of proof.

Guess the four digit number with help from the clues.

Introduce linear equations by solving these problems about lengths.

Work out which team played which from the information given.

This activity requires eight students to sit non consecutively on a grid of chairs.

Work out the least amount of time for four people to walk through a tunnel?

Can you solve this paradox by agreeing whether the statements are right or wrong?

Can you find a 14 digit number containing two each of the digits one to seven which obeys the rules given?

Allow two trains to pass by using the limited amount of siding space.

Can you work out what each of the strange symbols represents in these calculations?

Separate three rows of three animals using three squares.

Each traffic sign stands for a number. Some of the sums of rows and columns are shown. What numbers might the signs stand for?

An activity designed to address common misconceptions.

Make exactly four litres given a seven litre jug and a five litre jug.

Work out which boy sent a Valentine's Day Card to which girl.

## Exercises

#### Area Wall Puzzles

Divide the grid into rectangular pieces so that the area of each piece is the same as the number it contains.

#### Clue Sudoku

A different way to complete a Sudoku puzzle with clues available at every stage.

#### Code Cracking Presentation

A slide presentation showing techniques for cracking simple codes and ciphers.

#### Flowchart Bills

Calculate bill totals by following the instructions given in the form of a flow chart.

#### Fractal Mosaic

Follow the precise instructions to create the ever-growing fractal mosaic pattern.

#### Frustration

A logic challenge requiring a strategy to update each of the numbers in a grid.

#### Jugs

Can you make four litres if you only have seven and five litre jugs?

#### Logic Puzzle

Solve this deduction logic puzzle to find who, where and what.

#### Mine Find

Find where the mines are hidden without stepping on one.

#### Not Too Close

The students numbered 1 to 8 should sit on the chairs so that no two consecutively numbered students sit next to each other.

#### Online Logo

An online version of the Logo programming language with 30 mathematical challenges.

#### Online Sudoku

An online, interactive version of the popular number placing puzzle.

#### Pyramid Puzzle

Numbers in the bricks are found by adding the two bricks immediately below together. Can you achieve the given target?

#### Scheduling Puzzle

Make a schedule for the 24-hour Darts Marathon which will take into account everyone's requests and keep everyone happy.

#### Separated Twins

Can you find a 6 digit number containing two each of the digits one to three which obeys the rules given?

#### Shunting Puzzles

Move the trams to their indicated parking places in the shunting yard as quickly as possible.

#### Squorder

The Transum version of the traditional sliding tile puzzle.

#### Suko Sujiko

Interactive number-based logic puzzles similar to those featuring in daily newspapers.

#### True or False?

Arrange the given statements in groups to show whether they are always true, sometimes true or false.

#### Unmagic Square

Like the magic square but all of the totals should be different.

#### Word Sums Guide

A step by step guide showing how to solve a Word Sum where each letter stands for a different digit.

### Search

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