Skip to content
LessonPrint

Round then Estimate is a free printable Grade 3 maths worksheet on using rounding to check an answer, aligned to Common Core standard 3.NBT.A.1. It prints 12 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 22 of 25 · the same problems every time you open this link.

Next set

One paper per pupil

12345678910111213141516171819202122232425

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

Round then Estimate

3.NBT.A.1

NameDate

Round each number.

1.Round 744 to the nearest ten
2.Round 878 to the nearest ten
3.Round 864 to the nearest ten
4.Round 381 to the nearest ten
5.Round 266 to the nearest ten
6.Round 412 to the nearest ten
7.Round 356 to the nearest ten
8.Round 176 to the nearest ten
9.Round 988 to the nearest ten
10.Round 358 to the nearest ten
11.Round 940 to the nearest ten
12.Round 924 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 22 · free to copy for classroom use

Answer key — Round then Estimate

Set 22. Prints on its own sheet.

  1. 1.740
  2. 2.880
  3. 3.860
  4. 4.380
  5. 5.270
  6. 6.410
  7. 7.360
  8. 8.180
  9. 9.990
  10. 10.360
  11. 11.940
  12. 12.920

Last reviewed 2026-09-05. Aligned to 3.NBT.A.1 of the Common Core State Standards for mathematics.