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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 4 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 bathtub, a dog, a paper clip, the water in a fish tank

LitersGramsKilograms
2.Sort each one into the right box.

Sort: the water in a bathtub, a bag of potatoes, a pencil, the milk in a large carton

LitersGramsKilograms
3.Sort each one into the right box.

Sort: a paper clip, the water in a bathtub, a pencil, a bicycle

LitersGramsKilograms
4.Sort each one into the right box.

Sort: the milk in a large carton, the water in a bathtub, a grape, a dog

LitersGramsKilograms
5.Sort each one into the right box.

Sort: a paper clip, a dog, the water in a bathtub, a grape

LitersGramsKilograms

LessonPrint · 3.MD.A.2 · Set 4 · free to copy for classroom use

Answer key — Liters, Grams or Kilograms?

Set 4. Prints on its own sheet.

  1. 1.Liters: the water in a bathtub, the water in a fish tank; Grams: a paper clip; Kilograms: a dog
  2. 2.Liters: the water in a bathtub, the milk in a large carton; Grams: a pencil; Kilograms: a bag of potatoes
  3. 3.Liters: the water in a bathtub; Grams: a paper clip, a pencil; Kilograms: a bicycle
  4. 4.Liters: the milk in a large carton, the water in a bathtub; Grams: a grape; Kilograms: a dog
  5. 5.Liters: the water in a bathtub; Grams: a paper clip, a grape; Kilograms: a dog

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