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Will the Product Be Bigger or Smaller? is a free printable Grade 5 math worksheet on judging whether multiplying by a fraction makes a number bigger or smaller, aligned to Common Core standard 5.NF.B.4. 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 10 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.

Will the Product Be Bigger or Smaller?

5.NF.B.4

NameDate

Answer each question.

1.Without multiplying, is 5/3 × 29 more or less than 29?
2.Without multiplying, is 1/2 × 31 more or less than 31?
3.Without multiplying, is 3/9 × 38 more or less than 38?
4.Without multiplying, is 9/6 × 17 more or less than 17?
5.Without multiplying, is 12/9 × 30 more or less than 30?
6.Without multiplying, is 4/6 × 29 more or less than 29?
7.Without multiplying, is 4/3 × 29 more or less than 29?
8.Without multiplying, is 1/3 × 13 more or less than 13?
9.Without multiplying, is 11/7 × 6 more or less than 6?
10.Without multiplying, is 2/3 × 35 more or less than 35?

LessonPrint · 5.NF.B.4 · Set 10 · free to copy for classroom use

Answer key — Will the Product Be Bigger or Smaller?

Set 10. Prints on its own sheet.

  1. 1.more
  2. 2.less
  3. 3.less
  4. 4.more
  5. 5.more
  6. 6.less
  7. 7.more
  8. 8.less
  9. 9.more
  10. 10.less

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