Long multiplications of decimals

  • Long multiplications of decimals
  • Course: Mathematics
  • Grade: Year 8
  • Section: Fractions and decimals
  • Outcome: Multiplying decimals by decimals
  • Activity Type: Printable
  • Activity ID: 4521


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United Kingdom – National Curriculum

  • KS2 – Key Stage 2
    • KS2.Ma2 – Number and algebra
      • Knowledge, skills and understanding

        • Calculations

          • KS2.Ma2.3 – Pupils should be taught to:

            • Written methods

              • KS2.Ma2.3.j – Use written methods for short multiplication and division by a single-digit integer of two-digit then three-digit then four-digit integers, then of numbers with decimals; then use long multiplication, at first for two-digit by two-digit integer calculations, then for three-digit by two-digit calculations; extend division to informal methods of dividing by a two-digit divisor [for example, 64 ÷ 16]; use approximations and other strategies to check that their answers are reasonable

Australia – Australian Curriculum

New Zealand – National Standards

United States – Common Core State Standards

  • 6 – Grade 6
    • 6.NS – The Number System
      • Mathematics

        • 6.NS.3 – Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation.