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Thousand Hundreds Tens Ones
2 3 4 5
- 1 2 3 4
3 hundreds - 2 hundreds
= 1 hundreds.
2 thousand - 1 thousand
= 1 thousand
Note : When you have not enough, you have to borrow from the one next to you. Every time you borrow it is always 1 tens
Subtracting numbers with regrouping
Example : subtraction 4339 from 6925
( 10 + 1 =11)
11 tens - 3 tens
= 8 tens
Therefore : 6925 take away 4339 = 2586
What does subtraction do ?
Subtraction is used to find the difference between two groups of objects.
2345 take away 1234 leaves 1111
Subtraction without regroup.
Example : Subtract 1234 from 2345 = 1111
Subtraction within the range of 1,000
Disciplined-Based Learning