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CLIP 10245

# Subtracting eleven from a two-digit number

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Key Info
• Subtracting eleven from a two-digit number
• Duration: 00:56
• A demonstration of how to subtract 11 from a two-digit number by taking away 10 before adjusting the answer by 1. Two characters at a launderette take 11 black socks from a basket containing 34 socks. The socks are put into separate washing machines. The characters subtract 11 from 34 by taking away 10 before adjusting the answer by 1.
• Subject:

Topic:

## Calculations: Subtraction

• Keywords: subtraction, subtract, subtracting, take away, minus
Ideas for use in class
• To illustrate a strategy for subtracting 11 from a two-digit number.
Background details
• Clip language : English
• Aspect ratio : 16x9