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Multiply by 100
Age 10 · Maths
When you multiply a whole number by 100, each digit moves two places to the left. The two empty places left behind are filled with zeros.
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Age 10: open this week
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Examples
- If one box holds 100 pencils, 4 boxes hold 400 pencils.
- If a sticker pack has 100 stickers, 6 packs have 600 stickers.
Key takeaways
- Multiplying by 100 moves every digit two places to the left.
- The answer to a whole number times 100 ends with at least two zeros.
Quiz: Multiply by 100 (Age 10)
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When a whole number is multiplied by 100, what happens to each digit?
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What does the answer to a whole number times 100 always end with?
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When multiplying a whole number by 100, what fills the two empty places left behind?
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