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Multiply by Multiples of Ten is a free printable Grade 3 maths worksheet on scaling a known fact by ten, aligned to Common Core standard 3.NBT.A.3. It prints 16 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 9 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Multiply by Multiples of Ten

3.NBT.A.3

NameDate

Work out each answer.

1.9 × 20 =
2.4 × 30 =
3.6 × 60 =
4.8 × 20 =
5.6 × 40 =
6.5 × 20 =
7.5 × 30 =
8.2 × 50 =
9.9 × 50 =
10.7 × 30 =
11.4 × 40 =
12.7 × 40 =
13.3 × 40 =
14.8 × 80 =
15.2 × 40 =
16.6 × 30 =

LessonPrint · 3.NBT.A.3 · Set 9 · free to copy for classroom use

Answer key — Multiply by Multiples of Ten

Set 9. Prints on its own sheet.

  1. 1.180
  2. 2.120
  3. 3.360
  4. 4.160
  5. 5.240
  6. 6.100
  7. 7.150
  8. 8.100
  9. 9.450
  10. 10.210
  11. 11.160
  12. 12.280
  13. 13.120
  14. 14.640
  15. 15.80
  16. 16.180

More practice for 3.NBT.A.3

Multiply by tens.

Teaching this next? Multiplying by Multiples of Ten is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.NBT.A.3 of the Common Core State Standards for mathematics.