Add and subtract mixed to 1000
Add and subtract mixed to 1000 helps children practise combining addition and subtraction of three-digit numbers in a mixed practice set up to 1000. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- Mixed addition and subtraction to 1000 combines both operations — identify each operation before calculating.
- Work from left to right, applying each operation to the running total in order.
- Check by substituting the result back and tracing the chain: each step must be correct.
Examples
345 + 278 = ?
623
812 − 467 = ?
345