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## Long multiplications of decimals

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

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#### United Kingdom – National Curriculum expand/collapse

• ##### 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

### This activity is not included in Australia–Australian Curriculum

You can go to an overview of all the curricula here.

### This activity is not included in New Zealand–National Standards

You can go to an overview of all the curricula here.

#### United States – Common Core State Standards expand/collapse

• ##### 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.