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Liters, Grams or Kilograms? is a free printable Grade 3 math worksheet on choosing the unit that fits what is being measured, aligned to Common Core standard 3.MD.A.2. It prints 5 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 25 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.

Liters, Grams or Kilograms?

3.MD.A.2

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: the water in a fish tank, a sheet of paper, the water in a bathtub, a paper clip

LitersGramsKilograms
2.Sort each one into the right box.

Sort: a bag of potatoes, the water in a fish tank, a grape, the water in a bathtub

LitersGramsKilograms
3.Sort each one into the right box.

Sort: the water in a fish tank, a paper clip, a desk, the juice in a big jug

LitersGramsKilograms
4.Sort each one into the right box.

Sort: the water in a fish tank, a pencil, a dog, a sheet of paper

LitersGramsKilograms
5.Sort each one into the right box.

Sort: a desk, a dog, the water in a bathtub, a pencil

LitersGramsKilograms

LessonPrint · 3.MD.A.2 · Set 25 · free to copy for classroom use

Answer key — Liters, Grams or Kilograms?

Set 25. Prints on its own sheet.

  1. 1.Liters: the water in a fish tank, the water in a bathtub; Grams: a sheet of paper, a paper clip; Kilograms: —
  2. 2.Liters: the water in a fish tank, the water in a bathtub; Grams: a grape; Kilograms: a bag of potatoes
  3. 3.Liters: the water in a fish tank, the juice in a big jug; Grams: a paper clip; Kilograms: a desk
  4. 4.Liters: the water in a fish tank; Grams: a pencil, a sheet of paper; Kilograms: a dog
  5. 5.Liters: the water in a bathtub; Grams: a pencil; Kilograms: a desk, a dog

Last reviewed 2026-09-05. Aligned to 3.MD.A.2 of the Common Core State Standards for Mathematics.