3 digit by 1 digit multiplication worksheets
Twenty three-digit × one-digit problems — the last stop before full long multiplication.
Best fit: 4th grade · Answer key included · Free, no sign-up

Answer key
The same sheet with every answer shown in blue — print it for marking, or hand it over for self-checking.

About these worksheets
Multiplying a three-digit number by a single digit stretches the short algorithm to its limit: three multiplications, up to two carries, one written row. It cements fact fluency under load and is the natural bridge between 2×1-digit work and full 2×2-digit long multiplication.
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Frequently asked questions
Where does this fit in the sequence?
After 2-digit × 1-digit is solid, before 2-digit × 2-digit long multiplication.
Do the problems include carrying?
Almost all of them — with a single-digit multiplier across three columns, carries are the norm, which is the point.
Is there an answer key?
Yes, printed below the worksheet with answers in blue.