Compose and calculate with decimals including column addition and subtraction
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Why this why now
In this unit pupils have the opportunity to revisit column representations of addition and subtraction and to extend their understanding and calculate with decimal numbers. Having deepened their understanding of tenths as a decimal, they will go on to understand and represent hundredths as parts of a whole.
Prior knowledge requirements
- Understand tenths and hundredths
- Link fractions to decimal notation
- Use place value in decimal contexts
Threads
Why this why now
In this unit pupils have the opportunity to revisit column representations of addition and subtraction and to extend their understanding and calculate with decimal numbers. Having deepened their understanding of tenths as a decimal, they will go on to understand and represent hundredths as parts of a whole.
Prior knowledge requirements
- Understand tenths and hundredths
- Link fractions to decimal notation
- Use place value in decimal contexts
Compose and calculate with decimals including column addition and subtraction
In this unit pupils will extend their understanding of formal calculation strategies to use column methods to add and subtract with decimal numbers.
5 lessons in unit
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