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

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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 1/9 × 26 more or less than 26?
2.Without multiplying, is 8/7 × 15 more or less than 15?
3.Without multiplying, is 1/8 × 10 more or less than 10?
4.Without multiplying, is 1/6 × 25 more or less than 25?
5.Without multiplying, is 1/9 × 24 more or less than 24?
6.Without multiplying, is 16/9 × 20 more or less than 20?
7.Without multiplying, is 4/5 × 18 more or less than 18?
8.Without multiplying, is 11/6 × 35 more or less than 35?
9.Without multiplying, is 9/7 × 29 more or less than 29?
10.Without multiplying, is 8/6 × 15 more or less than 15?

LessonPrint · 5.NF.B.4 · Set 1 · free to copy for classroom use

Answer key — Will the Product Be Bigger or Smaller?

Set 1. Prints on its own sheet.

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Questions about Will the Product Be Bigger or Smaller?

What does the Will the Product Be Bigger or Smaller? worksheet cover?

It practices judging whether multiplying by a fraction makes a number bigger or smaller — 10 questions for Grade 5, all on Common Core 5.NF.B.4: Multiply fractions. The instruction to students is “Answer each question”, and the answer key follows on the next sheet.

Which Common Core standard does Will the Product Be Bigger or Smaller? practice?

CCSS.MATH.CONTENT.5.NF.B.4 — 5.NF.B.4, under Number & Operations — Fractions for Grade 5. The published standard reads: “Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Will the Product Be Bigger or Smaller? is written for Grade 5, typically ages 10-11. It is one of the sheets on 5.NF.B.4, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Will the Product Be Bigger or Smaller? come with an answer key?

Yes. All 10 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Will the Product Be Bigger or Smaller? can I print?

25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Will the Product Be Bigger or Smaller? free to print and photocopy?

Yes. Will the Product Be Bigger or Smaller?, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 5.NF.B.4

Multiply fractions.

All Grade 5 worksheets

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