the first resource is an idea from Martin Wilson, in Harrogate

and is intended to be practice with directed numbers rather than solving a quadratic equation

the other I have moved from elsewhere

Continue reading here:

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# The Maths Echo Chamber

## Sharing all the Maths education blogs by people in (or from) the UK

# directed number multiplication | don steward

the first resource is an idea from Martin Wilson, in Harrogate

and is intended to be practice with directed numbers rather than solving a quadratic equation

the other I have moved from elsewhere

Continue reading here:

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