Free printable · answer key included

Liquid measurement word problems

Translate real situations into volume conversions, choose relevant information, and state answers with units.

Suggested levelIntermediate · multi-step reasoning with US customary and metric units
Learning objectiveTranslate real situations into volume conversions, choose relevant information, and state answers with units.
GallonMan Volume, made visible.

Liquid measurement word problems

Name: ____________________Date: ____________________

Instructions

Underline the starting amount and circle the requested unit. Write an equation, solve it, and check whether the size of your answer makes sense.

A. US customary situations

  1. A team cooler holds 3 gallons of water. If each cup is filled once, how many cups can the cooler supply?
  2. A soup recipe uses 6 pints of stock. How many quarts of stock is that?
  3. Nora has 2 quarts of juice. She pours 1 cup into each glass. How many full glasses can she pour?
  4. A tank contains 5 gallons. After 12 quarts are used, how many quarts remain?

B. Metric and system checks

  1. Four bottles each hold 750 mL. How many liters do they hold altogether?
  2. A container is labeled 1 US gallon. Using 1 US gal = 3.785411784 L, about how many liters does it hold to the nearest hundredth?
  3. One measuring jug holds 1 liter. Another holds 1 US quart (946.352946 mL). Which holds more, and by how many milliliters?
  4. A UK recipe calls for 1 Imperial pint. Is a 473 mL US pint measure large enough? Explain using 1 Imperial pint = 568.26125 mL.

C. Create and defend

  1. Write a word problem whose answer is 2½ gallons. Include enough information to solve it.
  2. Sam multiplied 8 quarts by 4 and answered 32 gallons. Explain the error and give the correct answer.
  3. Give one situation where an estimate is sufficient and one where you should use the full conversion factor.
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View answer key and explanations

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Liquid measurement word problems — answer key

A. US customary situations

  1. 48 cups: 3 × 16 = 48.
  2. 3 quarts: 6 ÷ 2 = 3.
  3. 8 glasses: 2 × 4 = 8 cups.
  4. 8 quarts remain: 5 gallons = 20 quarts; 20 − 12 = 8.

B. Metric and system checks

  1. 3 liters: 4 × 750 = 3,000 mL = 3 L.
  2. 3.79 L to the nearest hundredth.
  3. The 1-liter jug holds more by 53.647054 mL.
  4. No. It is about 95.26125 mL too small (568.26125 − 473).

C. Create and defend

  1. Answers vary. The quantities and unit relationship must produce 2½ gallons.
  2. Sam moved from a smaller unit to a larger unit, so the number should shrink. 8 ÷ 4 = 2 gallons.
  3. Answers vary. A rough container comparison may use an estimate; a technical or regulated calculation should retain the verified factor.

Teacher and parent notes

Use the errors as evidence

Pair this worksheet with the linked lesson before treating it as an assessment. A learner who can explain why the count changes is building a more durable model than one who only recalls a number.