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A little maths challenge…
Posted On 24 Nov 2014
If the answer is 20, what is the question? Can you think of four possibilities using each operation- add, subtract, multiply and divide? Ask a parent to help you.
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10×2=20
10+10=20
80-60=20
1/2 of 40=20
90-70=20
100-80=20
10+10=20
100-80=20
5*4=20
40/2=20
(Nellie remembered that doubling 20 gives 40, so dividing 40 in half gives 20 – you got there quicker than I did Nellie! Mummy)