Virginia SOL 4.MG.1.b.iii
The Standard
liquid volume to the nearest U.S. Customary unit (cup, pint, quart, gallon) and nearest metric unit (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 estimate how much liquid a container holds before measuring it. They select a sensible unit and tool, then read and record the volume accurately.
What Mastery Looks Like
- Students make reasonable estimates and explain the benchmark they used, such as a one-liter bottle. They choose the right tool and unit, read the scale correctly, and label each answer.
Common Misconceptions
- Students may think a tall container always holds more than a short, wide one. They often mix up pint, quart, and gallon sizes, confuse milliliters with liters, or omit units.
How to Assess It
- Set out two containers of colored water, one with customary tools and one with metric tools. Students estimate, choose a unit, measure, and record each volume.
Lesson moves
Ways to Teach It
Set up stations with colored water, measuring cups, pitchers, and graduated cylinders; students estimate, measure, and record each volume.
Ask, “Would you report a bathtub in cups or gallons, and a medicine dose in liters or milliliters? Explain.”
Play Unit Match: students pair container cards with unit cards, then explain why each container fits cups, gallons, milliliters, or liters.
Use a drink recipe; students measure each ingredient, then decide whether the finished amount is best reported in customary or metric units.
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Related Standards
- 2.MG.1.b.iii
the liquid volume of a container to the nearest cup, using a measuring cup.
- 3.MG.1.b.iii
liquid volume to the nearest U.S. Customary unit (cup, pint, quart, gallon) and metric unit (liter).
- 4.MG.1.a.iii
liquid volume in both U.S. Customary (cup, pint, quart, gallon) and metric units (milliliter, liter).
- 4.MG.1.d.iii
liquid volume (cups, pints, quarts, and gallons).
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