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Heavier or Lighter? is a free printable Kindergarten maths worksheet on comparing described weights, aligned to Common Core standard K.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 pupils 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 pupil

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All 25 sets ask different questions.

Heavier or Lighter?

K.MD.A.1

NameDate

Write < , > or = between the weights.

1.27 kg15 kg
2.3 kg13 kg
3.20 kg3 kg
4.27 kg39 kg
5.28 kg37 kg
6.12 kg14 kg
7.37 kg29 kg
8.20 kg28 kg
9.17 kg15 kg
10.29 kg7 kg
11.39 kg26 kg
12.21 kg28 kg

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

Answer key — Heavier or Lighter?

Set 1. Prints on its own sheet.

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  2. 2.<
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  4. 4.<
  5. 5.<
  6. 6.<
  7. 7.>
  8. 8.<
  9. 9.>
  10. 10.>
  11. 11.>
  12. 12.<

Questions about Heavier or Lighter?

What does the Heavier or Lighter? worksheet cover?

It practises comparing described weights — 12 questions for Kindergarten, all on Common Core K.MD.A.1: Describe how long or how heavy something is. The instruction to pupils is “Write < , > or = between the weights”, and the answer key follows on the next sheet.

Which Common Core standard does Heavier or Lighter? practise?

CCSS.MATH.CONTENT.K.MD.A.1 — K.MD.A.1, in the Measurement & Data domain for Kindergarten. The published standard reads: “Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Heavier or Lighter? is written for Kindergarten, typically ages 5-6. It is one of the sheets on K.MD.A.1, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Heavier or Lighter? 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 Heavier or Lighter? can I print?

25 — one per pupil, 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 Heavier or Lighter? free to print and photocopy?

Yes. Heavier or Lighter?, 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.

Is there a lesson plan to teach K.MD.A.1?

Yes — “Describing Length and Weight” is a 30-minute Kindergarten plan for K.MD.A.1, timed section by section, with the misconceptions to expect and an exit ticket. Heavier or Lighter? is the practice that follows it.

More practice for K.MD.A.1

Describe how long or how heavy something is.

Teaching this next? Describing Length and Weight is the 30-minute plan for it, with the misconceptions to expect.

All Kindergarten worksheets

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