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Classroom · Multi-digit multiplication · 4th grade

3-digit by 1-digit multiplication worksheets

A free five-page pack for 4th grade: learn to multiply a 3-digit number by a 1-digit number, with a worked example, practice pages, word problems and an answer key.

Download the 3-digit by 1-digit multiplication pack(5 pages, color)Ink saver (B&W)

Watch it solved

53 sec · with voice and captions

A pencil works one example of each activity, so you can see how the worksheet goes before you print it. Tap a step to jump to it. The rest of the sheet is left for your child to finish.

Read what the video says
  1. 0:00 Let's practice 3-digit by 1-digit multiplication, step by step.
  2. 0:05 Multiply the ones, then the tens, then the hundreds. Carry when a product is 10 or more.
  3. 0:12 699 × 2. Multiply each part, then add them: 1,200 + 180 + 18 = 1,398.
  4. 0:24 Start with the ones. 2 × 2 is 4. 2 × 3 is 6. 432 × 2 = 864.
  5. 0:35 Word problems. A plane flies 265 miles each day. How far does it fly in 3 days? The answer is 795 miles.
  6. 0:46 Great job! Now print the free worksheet, and finish the rest on your own.

How to do it

Multiply the ones, then the tens, then the hundreds, carrying when a product is 10 or more. For 214 × 3: 4 × 3 = 12, write 2 and carry 1, and so on.

Teaching tip

Have children estimate first: 214 × 3 is about 200 × 3 = 600. Most carrying mistakes give answers far from the estimate.

Try some

  • 432 × 2Tap to check
  • 251 × 8Tap to check
  • 828 × 9Tap to check
  • 193 × 6Tap to check
  • 561 × 8Tap to check
  • 558 × 9Tap to check
  • 646 × 2Tap to check
  • 661 × 8Tap to check

Word problems

A plane flies 265 miles each day. How far does it fly in 3 days?Show answer

795 miles

A library buys 3 boxes of 165 books. How many books is that?Show answer

495

Aisha reads 125 pages a week. How many pages in 6 weeks?Show answer

750

A bakery makes 248 cookies a day. How many in 5 days?Show answer

1,240

What the worksheets look like

3-digit by 1-digit multiplication worksheet: how it works, then area models
Page 1: how it works, then area models
3-digit by 1-digit multiplication worksheet: multiply in columns
Page 2: multiply in columns

Area model template

Blank area models to split any multiplication into easy parts.

Template(1 page, color)Ink saver (B&W)

Common questions

How do you teach 3-digit by 1-digit multiplication?

Multiply the ones, then the tens, then the hundreds, carrying when a product is 10 or more. For 214 × 3: 4 × 3 = 12, write 2 and carry 1, and so on. Have children estimate first: 214 × 3 is about 200 × 3 = 600. Most carrying mistakes give answers far from the estimate.

What grade learns 3-digit by 1-digit multiplication?

Usually 4th grade. In the Common Core it is part of 4.NBT.B.5.

Is there an answer key?

Yes. Page 5 has every answer from the pack and a short teaching tip.