Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?
If you'd like to know more about Primary Maths Masterclasses, this
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region or how to set up your own.
Can you each work out what shape you have part of on your card?
What will the rest of it look like?