The worksheet generator on this page produces 3 digit by 1 digit multiplication worksheets with real, freshly randomised numbers — 20 of them per sheet by default — plus the answer key a parent or teacher needs to mark it quickly. Right now the generator is set to problems such as 644 × 2 (answer 1,288) and 230 × 5 (answer 1,150); press the button again and the numbers change while the skill stays the same.
‘New set of problems’ opens the generator in its own tab. There you can change the problem count and turn the answer key on or off. ‘Print or save as PDF’ opens the print dialog — choose Save as PDF in the printer list to keep the file. The sheet fits US Letter and A4, and the answer key prints on its own page.
Estimating before calculating changes the error rate more than any other single habit. Rounding the numbers in 230 × 5 first gives a range that 1,150 must fall inside.
Written multiplication is where the times tables get cashed in. In a problem like 644 × 2, the layout is simple and the arithmetic is not — every partial product depends on a fact being recalled instantly, and the answer 1,288 is only as reliable as the weakest of them.
If a child can do the layout but keeps getting the arithmetic wrong, the problem is table fluency rather than multiplication, and the times table pages linked below fix that faster than more lines like 318 × 9 will.
The place-value zero in the second row is where most multi-digit errors live. Children who write it deliberately, rather than as a remembered squiggle, make far fewer mistakes.
In US classrooms these 3 digit by 1 digit multiplication worksheets are commonly aligned with the multi-digit multiplication expectations for this grade, though the exact wording varies from state to state.
| # | Problem | Answer | What to check |
|---|---|---|---|
| 1 | 644 × 2 = | 1,288 | Watch for: omitting the place-holding zero |
| 2 | 230 × 5 = | 1,150 | Check: not estimating |
| 3 | 801 × 7 = | 5,607 | Look at: adding the carry before multiplying |
| 4 | 727 × 7 = | 5,089 | Ask about: carrying into the wrong column |
| 5 | 318 × 9 = | 2,862 | Watch for: forgetting to add the partial products |
| 6 | 574 × 5 = | 2,870 | Check: a shaky fact inside a correct method |
Try 801 × 7 together before letting the child start alone. The answer to 801 × 7 is 5,607, and talking through how it was reached takes about a minute and saves several minutes of guessing later in the sheet.
Take the first problem on the sheet as it stands, 644 × 2. Work 644 × 2 out on paper rather than in your head the first few times, say each step aloud, and check the result against 1,288 on the key before moving on.
The answer key is generated with the worksheet, not written by hand, so it always matches the sheet in front of you — 644 × 2 is listed as 1,288, 230 × 5 as 1,150, and so on down the page.
Because the numbers are random, there is no shared answer list to look up: the key printed behind your sheet is the only one that fits it, and it shows 1,288 for 644 × 2.
For a class set, print one sheet, press the new-worksheet button and print again. Each child gets different numbers on the same skill, so nobody can copy the answer to 644 × 2 from a neighbour.
If the problems look cramped, drop the count from 20 to a smaller number before printing these 3 digit by 1 digit multiplication worksheets; the font stays the same size and the spacing opens up.
Keep the finished 3 digit by 1 digit multiplication worksheets in date order — the drop in time across ten sheets is the clearest progress report you will get.
→ Free Multiplication Worksheets
Free printable math worksheets from a working math academy director in Korea. Problems come from our own code, not from a published workbook. Every sheet prints on US Letter or A4 with its answer key. All worksheets · Worksheet generator · Korean site
Last updated: 2026-09-13