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Movement of the Decimal Point

Numbers and Decimals Movement of the Decimal Point

🎬 Video Tutorial

(0:01) Multiplying by Powers of 10: When multiplying by 10, 100, or 1000, move the decimal point 1, 2, or 3 places to the right, respectively. Fill empty spaces with zeros if needed.
(0:36) Dividing by Powers of 10: When dividing by 10, 100, or 1000, move the decimal point 1, 2, or 3 places to the left, respectively. This reduces the number’s value.
(1:02) Example Calculations: For 5.02 × 1000, move the decimal 3 places right to get 5020. For 4.21 ÷ 100, move it 2 places left to get 0.0421.

📂 Revision Cards

Shifting the decimal point in division and multiplication, showing how the decimal point shifts left for division and right for multiplication. — 1) Movement of the Decimal Point

Examples on how to move the decimal point when calculating 5.02*1000, 4.21/100, and 56.7%*10. — 2) Movement of the Decimal Point Example 1

Converting 2.8 metres to 280 centimetres by multiplying by 100, and converting 0.0028 kilometres to metres by multiplying by 1000. — 3) Movement of the Decimal Point in Unit Conversion

🍪 Quiz

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