Subtracting decimals
Subtract decimals using exchanges.
- Line up decimal points.
- Use trailing zeros so both numbers have the same number of decimal places.
- Exchange between neighbouring place-value columns when needed.
Example 1
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.
Example 2
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.
Remember
Exchange between neighbouring place-value columns when needed.
Your turn
Calculate using a written method.
Check answer
Line up equal place values.
Keep decimal points in the same column.
Calculate using a written method.
Check answer
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Check answer
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Check answer
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Check answer
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Line up equal place values.
Keep decimal points in the same column.
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.
Calculate using a written method.
Exchange before subtracting.
Keep decimal points in the same column.