1. Write down a calculation involving single digit numbers.

2. Write the numbers in the calculation in words.

3.Choose just one letter from each of your words and give this clue to a friend.

Can your friend work out what your calculation was?

For Example:

2 + 3 = 5

Two + Three = Five

W + E = V

Here are some "Letter Clue Calculations" for you to solve:

1. O + O = E      2. E - H = O

3. H x W = X      4. U ÷ W = O

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Arithmetic | Problem Solving | Puzzles

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## Extension

Can you find at least one solution for the following calculation? Each letter is one of the letters of a two or three digit number:

W + I + E + F = E

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## Hello World

You are buying a (driverless) car. One vehicle is programmed to save as many lives as possible in a collision. Another promises to prioritize the lives of its passengers. Which do you choose?

Welcome to the age of the algorithm, the story of a not-too-distant future where machines rule supreme, making important decisions – in healthcare, transport, finance, security, what we watch, where we go even who we send to prison. So how much should we rely on them? What kind of future do we want?

Hannah Fry takes us on a tour of the good, the bad and the downright ugly of the algorithms that surround us. In Hello World she lifts the lid on their inner workings, demonstrates their power, exposes their limitations, and examines whether they really are an improvement on the humans they are replacing. more...

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