Rounding and solving problems with numbers up to 7 digits
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Why this why now
Pupils will apply their place value understanding of 7-digit numbers to round them to any power of ten. They will apply mental and written strategies, deciding which is the most efficient, to solve problems in different contexts.
Prior knowledge requirements
- Understand place value to at least 1 million
- Round numbers to the nearest 10, 100 or 1000
- Estimate and check answers using rounding
Threads
Why this why now
Pupils will apply their place value understanding of 7-digit numbers to round them to any power of ten. They will apply mental and written strategies, deciding which is the most efficient, to solve problems in different contexts.
Prior knowledge requirements
- Understand place value to at least 1 million
- Round numbers to the nearest 10, 100 or 1000
- Estimate and check answers using rounding
Rounding and solving problems with numbers up to 7 digits
In this unit pupils will use their knowledge of the composition of seven-digit numbers to round them and to solve problems, adding and subtracting numbers whilst crossing the millions boundary.
5 lessons in unit
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