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What Does the Bottom Number Mean? is a free printable Grade 3 math worksheet on the denominator as a count of equal parts, aligned to Common Core standard 3.NF.A.1. It prints 10 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 20 of 25 · the same problems every time you open this link.

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One paper per student

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

What Does the Bottom Number Mean?

3.NF.A.1

NameDate

Answer each question.

1.In 2/3, the whole is cut into how many equal parts?
2.In 5/6, the whole is cut into how many equal parts?
3.In 4/6, the whole is cut into how many equal parts?
4.In 1/8, the whole is cut into how many equal parts?
5.In 2/6, the whole is cut into how many equal parts?
6.In 1/4, the whole is cut into how many equal parts?
7.In 1/3, the whole is cut into how many equal parts?
8.In 1/2, the whole is cut into how many equal parts?
9.In 2/4, the whole is cut into how many equal parts?
10.In 3/4, the whole is cut into how many equal parts?

LessonPrint · 3.NF.A.1 · Set 20 · free to copy for classroom use

Answer key — What Does the Bottom Number Mean?

Set 20. Prints on its own sheet.

  1. 1.3
  2. 2.6
  3. 3.6
  4. 4.8
  5. 5.6
  6. 6.4
  7. 7.3
  8. 8.2
  9. 9.4
  10. 10.4

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