Year 2 maths · A.8 · Place Value to 1,000
Mentally add 100 or subtract 100
Only the hundreds digit changes by one.
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Fay asks: What is 100 more than 321?
Answer: 421
Kai wonders: What is 100 less than 474?
Answer: 374
Nia says: What is 100 less than 364?
Answer: 264
Tip: Only the hundreds digit changes by one.
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