Year 7 maths · L.2 · Decimal operations
Add three decimals
Line up the decimal points. Add all three numbers.
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See worked examples
Add: 8.4 + 8.1 + 5.8
Answer: 22.3
Add: 8.2 + 3.5 + 2.4
Answer: 14.1
Add: 6.1 + 5.1 + 9.8
Answer: 21
Tip: Line up the decimal points. Add all three numbers.
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