Virginia SOL 4.MG.1.a.iii
The Standard
liquid volume in both U.S. Customary (cup, pint, quart, gallon) and metric units (milliliter, liter).
Virginia Standards of Learning for Mathematics · The student will reason mathematically to solve problems, including those in context, that involve length, weight/mass, and liquid volume using U.S. Customary and metric units.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students select an appropriate unit for measuring a given amount of liquid. They match smaller amounts with units like milliliters or cups and larger amounts with liters or gallons.
What Mastery Looks Like
- Students choose a sensible unit for a container or amount of liquid. They use milliliters or liters for metric measures and select among cups, pints, quarts, and gallons for customary measures.
Common Misconceptions
- Students may choose units by familiarity rather than container size, such as gallons for a juice box. They may confuse milliliters with liters or treat a drinking cup as exactly one measuring cup.
How to Assess It
- Give students pictures of a medicine spoon, water bottle, soup pot, and fish tank. Ask them to choose a sensible unit for each and explain one choice.
Lesson moves
Ways to Teach It
Set out a medicine cup, water bottle, pitcher, and bucket, then have students label each with a sensible metric and customary unit.
Ask students to explain why milliliters fit a dose of cough medicine better than liters.
Play a unit match game using container picture cards and cards labeled cup, pint, quart, gallon, milliliter, and liter.
Use grocery advertisements to identify liquids sold in gallons, quarts, liters, and milliliters, then compare why each unit fits.
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Printable 4.MG.1.a.iii Worksheet

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Related Standards
- 5.MG.1.c.iii
liquid volume (milliliters and liters).
- 4.MG.1.b.iii
liquid volume to the nearest U.S. Customary unit (cup, pint, quart, gallon) and nearest metric unit (milliliter, liter).
- 5.MG.1.a.iii
liquid volume (milliliters and liters).
- 3.MG.1.b.iii
liquid volume to the nearest U.S. Customary unit (cup, pint, quart, gallon) and metric unit (liter).
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