Skip to content
LessonPrint

Rounding and Estimating is a free printable Grade 5 math worksheet on using rounding to check a calculation, aligned to Common Core standard 5.NBT.A.4. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 19 of 25 · the same problems every time you open this link.

Next set

One paper per student

12345678910111213141516171819202122232425

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

Rounding and Estimating

5.NBT.A.4

NameDate

Estimate first, then work it out.

1.Estimate 6.95 + 14.41 by rounding each number to the nearest whole number, then work it out.
2.Estimate 2.63 + 6.08 by rounding each number to the nearest whole number, then work it out.
3.Estimate 5.55 + 17.21 by rounding each number to the nearest whole number, then work it out.
4.Estimate 17.69 + 28.86 by rounding each number to the nearest whole number, then work it out.
5.Estimate 35.74 − 4.37 by rounding each number to the nearest whole number, then work it out.
6.Estimate 21.46 − 3.05 by rounding each number to the nearest whole number, then work it out.
7.Estimate 30.88 − 8.22 by rounding each number to the nearest whole number, then work it out.
8.Estimate 29.40 − 8.11 by rounding each number to the nearest whole number, then work it out.

LessonPrint · 5.NBT.A.4 · Set 19 · free to copy for classroom use

Answer key — Rounding and Estimating

Set 19. Prints on its own sheet.

  1. 1.about 21; exactly 21.36
  2. 2.about 9; exactly 8.71
  3. 3.about 23; exactly 22.76
  4. 4.about 47; exactly 46.55
  5. 5.about 32; exactly 31.37
  6. 6.about 18; exactly 18.41
  7. 7.about 23; exactly 22.66
  8. 8.about 21; exactly 21.29

Last reviewed 2026-09-05. Aligned to 5.NBT.A.4 of the Common Core State Standards for Mathematics.