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Can you solve our Christmas Maths Questions? Here they are:

Foundation Stage

? + 3 = 5

Year 1&2

? + 9 = 14

? - ? = 20

Year 3&4

522 - ? = 512

? x 8 =  70 - 6

Year 5&6

a x a = 2500         a=?

(16 + b) x 10 = 200       b=?

Bonus Question: Do you know the name of this famous female mathematician? 

Post your answers here!