Once children are secure in adding multiples of 100 to 3-digit numbers, they need to apply their understanding to reasoning and problem-solving activities. This Year 3 Add 3 Digits and 100s worksheet includes two reasoning questions and one problem solving question to engage all children. All answers are provided too to make marking quick and easy. Get downloading!
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National Curriculum Objective
Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction
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