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How Much Longer? is a free printable Grade 2 math worksheet on the difference between two lengths, aligned to Common Core standard 2.MD.A.1. It prints 12 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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One paper per student

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All 25 sets ask different questions.

How Much Longer?

2.MD.A.1

NameDate

Work out each answer.

1.How much longer is 14 cm than 13 cm?
2.How much longer is 89 cm than 29 cm?
3.How much longer is 92 cm than 27 cm?
4.How much longer is 93 cm than 77 cm?
5.How much longer is 34 cm than 12 cm?
6.How much longer is 77 cm than 32 cm?
7.How much longer is 49 cm than 33 cm?
8.How much longer is 89 cm than 31 cm?
9.How much longer is 75 cm than 55 cm?
10.How much longer is 80 cm than 34 cm?
11.How much longer is 27 cm than 15 cm?
12.How much longer is 86 cm than 46 cm?

LessonPrint · 2.MD.A.1 · Set 1 · free to copy for classroom use

Answer key — How Much Longer?

Set 1. Prints on its own sheet.

  1. 1.1 cm
  2. 2.60 cm
  3. 3.65 cm
  4. 4.16 cm
  5. 5.22 cm
  6. 6.45 cm
  7. 7.16 cm
  8. 8.58 cm
  9. 9.20 cm
  10. 10.46 cm
  11. 11.12 cm
  12. 12.40 cm

Questions about How Much Longer?

What does the How Much Longer? worksheet cover?

It practices the difference between two lengths — 12 questions for Grade 2, all on Common Core 2.MD.A.1: Measure things with a ruler. The instruction to students is “Work out each answer”, and the answer key follows on the next sheet.

Which Common Core standard does How Much Longer? practice?

CCSS.MATH.CONTENT.2.MD.A.1 — 2.MD.A.1, under Measurement & Data for Grade 2. The published standard reads: “Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

How Much Longer? is written for Grade 2, typically ages 7-8. It is one of the sheets on 2.MD.A.1, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does How Much Longer? come with an answer key?

Yes. All 12 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 How Much Longer? 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 How Much Longer? free to print and photocopy?

Yes. How Much Longer?, 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 2.MD.A.1

Measure things with a ruler.

All Grade 2 worksheets

Last reviewed 2026-09-05. Aligned to 2.MD.A.1 of the Common Core State Standards for Mathematics.