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Adding and Subtracting 10s

By the end of this unit, year 3 children will learn how to add and subtract numbers multiples of 10 using use a range of models and representations, including place value charts.
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Description

Year 3 Number: Addition and Subtraction

  • Add and subtract numbers mentally, including:
    • a three-digit number and 1s
    • a three-digit number and 10s
    • a three-digit number and 100s
  • Add and subtract numbers with up to 3 digits, using formal written methods of columnar addition and subtraction.

Year 3 Number: Number and Place Value

  • Count from 0 in multiples of 4, 8, 50 and 100; find 10 or 100 more or less than a given number.
  • Age: 7-8
  • England & Wales: Year 3
  • Scotland: Primary 3
  • Rep. Ireland: Second Class
  • Australia: Grade 2
  • USA: Grade 2
  • Three-part Lesson
  • Self-marking Activities
  • Fluency, Reasoning and Problem-solving Questions.
  • Engaging Drag and Drop Activities
  • Interactive Self-marking Worksheet
  • Printable Worksheets to Consolidate Learning

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