Maths Resources & WorksheetsYear 3 Maths Resources & WorksheetsYear 3 Autumn Maths - Addition and Subtraction11 Add 2-Digit and 3-Digit Numbers › Year 3 Add 2-Digit and 3-Digit Numbers IWB Addition and Subtraction Activity

Year 3 Add 2-Digit and 3-Digit Numbers IWB Addition and Subtraction Activity

Step 11: Year 3 Add 2-Digit and 3-Digit Numbers IWB Addition and Subtraction Activity

This Year 3 Add 2-Digit and 3-Digit Numbers IWB Activity checks pupils' understanding of addition when exchanging across a ten and a hundred. Pupils will use Base 10 and a place value chart to find the total when exchanging across a hundred, determine which child has completed their calculation correctly when crossing tens and hundreds and answer a true or false question when adding a 2-digit number to a 3-digit number and crossing a hundred.

More resources for Autumn Block 2 Step 11.

National Curriculum Objectives

Mathematics Year 3: (3N3) Recognise the place value of each digit in a three-digit number (hundreds, tens, ones)

Mathematics Year 3: (3C1) Add and subtract numbers mentally, including three-digit number and tens

Mathematics Year 3: (3C2) Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction

Mathematics Year 3: (3C4) Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction

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