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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 21 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 1/3 × 28 more or less than 28?
2.Without multiplying, is 1/2 × 34 more or less than 34?
3.Without multiplying, is 11/8 × 9 more or less than 9?
4.Without multiplying, is 3/2 × 31 more or less than 31?
5.Without multiplying, is 11/6 × 33 more or less than 33?
6.Without multiplying, is 3/2 × 36 more or less than 36?
7.Without multiplying, is 2/5 × 35 more or less than 35?
8.Without multiplying, is 3/2 × 27 more or less than 27?
9.Without multiplying, is 2/4 × 10 more or less than 10?
10.Without multiplying, is 2/4 × 29 more or less than 29?

LessonPrint · 5.NF.B.4 · Set 21 · free to copy for classroom use

Answer key — Will the Product Be Bigger or Smaller?

Set 21. Prints on its own sheet.

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

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