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Teaching for Mastery: Questions, tasks and activities to support assessment
Mastery Mastery with Greater Depth
Megan has made a 3-digit number with these cards. Captain Conjecture says, ‘If you add 6 to a number ending in 7
you will always get a number ending in 3.’ Is he correct?
6 7 5
What other 3-digit numbers can she make with these cards?
6 7 5
Explain your answer.
What is the largest number she can make?
Consider whether or not children are working systematically.
www.mathshubs.org.uk
www.ncetm.org.uk
11 • Number and Place Value Year 3 Text © Crown Copyright 2015 Illustration and design © Oxford University Press 2015 www.oxfordowl.co.uk
