Virginia SOL 4.MG.1.c
The Standard
Compare estimates of length, weight/mass, or liquid volume with the actual measurements.
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 an object's length, mass, or liquid volume, then measure it with an appropriate tool. They compare the two values and identify how close the estimate was.
What Mastery Looks Like
- Students make reasonable estimates using familiar benchmarks. After measuring, they calculate or describe the difference and tell whether each estimate was high, low, or exact.
Common Misconceptions
- Students may treat an estimate as a random guess or expect it to match the measurement exactly. They may compare numbers without checking that the units match.
How to Assess It
- Give students a filled water bottle and ask them to estimate its mass in grams, measure it, then state the difference and whether the estimate was high or low.
Lesson moves
Ways to Teach It
Students estimate and then measure the length, mass, and water capacity of classroom objects using rulers, balances, cups, and graduated containers.
Ask students to write which benchmark helped them estimate, then explain why their estimate was higher or lower than the measurement.
Play Measurement Match by having teams pair estimate cards with measured values, then calculate each difference to check their choices.
Compare a recipe's estimated cup measurements with amounts measured in a graduated container, then discuss how inaccurate estimates could affect the result.
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Printable 4.MG.1.c Worksheet
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Related Standards
- 1.MG.1.b
Measure the length, weight, or volume of the same object or container with two different units and describe how and why the measurements differ.
- 1.MG.1.a.iii
volumes of two containers and compare the measurements using the terms more, less, or the same as.
- 3.MG.1.c
The 3rd Grade version of this standard.
- 1.MG.1.a.ii
weights of two objects (using a balance scale or a pan scale) and compare the measurements using the terms lighter, heavier, or the same as; and
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