4th Grade Measurement Units and Conversions Test with Answer Key (Free PDF)

4th grade measurement conversions test – Maths PDF

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This 4th grade measurement conversions test covers measurement units and conversions (Common Core 4.MD.A.1, 4.MD.A.2), with a free PDF to print.

Key takeaway: This test helps fourth grade students show that they can convert between metric and customary units of length, mass, liquid volume, weight, and time, and solve problems with the results.

Topic: Measurement Units and Conversions (4th grade)
Content: 8 questions with point values, about 45 minutes
Standards: 4.MD.A.1, 4.MD.A.2
Answers: On a separate page, so you can try every worksheet problem first
Format: Free printable PDF, US Letter, black and white

This test helps fourth grade students show that they can convert between metric and customary units of length, mass, liquid volume, weight, and time, and solve problems with the results. Also, it is worth 20 points and takes 45 minutes.

The eight questions start with direct conversions of kilometers, kilograms, meters, liters, pounds, minutes, and hours. Then, later questions compare measurements, add two parts of a walking route, use a jug of juice and cups, and find the end time of a tutoring session. Also, show every conversion and write units with each answer for full credit.

This test has 8 questions worth 20 points. Allow 45 minutes. Show your work for the word problems. Write the unit with every answer. A calculator is not needed.

Time and points

About this test

Grade: Grade 4
Chapter: Measurement Units and Conversions
Standards: 4.MD.A.1, 4.MD.A.2
Time: 45 minutes
Total: 20 points

4th grade measurement conversions test: questions

1 – Long distances and masses [2 pts]

Convert \(6\text{ km}\) to meters. (1 point)
Also, convert \(4\text{ kg}\) to grams. (1 point)

2 – Short lengths and liquids [2 pts]

In addition, convert \(9\text{ m}\) to centimeters. (1 point)
In addition, convert \(3\text{ L}\) to milliliters. (1 point)

3 – Weight and seconds [2 pts]

Also, convert \(5\text{ lb}\) to ounces. (1 point)
Convert \(8\text{ min}\) to seconds. (1 point)

4 – Mixed units [2 pts]

Write \(5\text{ hr}\) as minutes. (1 point)
Write \(2\text{ m } 8\text{ cm}\) as centimeters. (1 point)

5 – Compare measurements [3 pts]

Also, write <, >, or = in each blank.

\(4\text{ kg}\) _____ \(4{,}050\text{ g}\) (1 point)
\(3\text{ min}\) _____ \(170\text{ sec}\) (1 point)
\(6\text{ lb}\) _____ \(90\text{ oz}\) (1 point)

6 – Walking route [3 pts]

Mei walks from school to the library, then to the park, as shown.

Walking route.

How many meters does Mei walk in all? (2 points)
Write the total as kilometers and meters. (1 point)

7 – Juice cups [3 pts]

Aisha has a \(3\text{ L}\) jug of juice. She fills 8 cups with \(250\text{ mL}\) in each cup.

One jug and 8 cups.

How many milliliters does she pour in all? (1 point)
How many liters of juice are left in the jug? (2 points)

Question 8 and after

8 – Tutoring session [3 pts]

Liam’s tutoring starts at the time on the clock (PM) and lasts \(1\text{ hr } 35\text{ min}\).

Start time.

How many minutes does the session last? (1 point)
What time does it end? (2 points)

Key facts behind this 4th grade measurement conversions test

Key facts

1 km = 1,000 m and 1 m = 100 cm.
1 kg = 1,000 g and 1 L = 1,000 mL.
1 lb = 16 oz, 1 hr = 60 min, and 1 min = 60 sec.
Larger unit to smaller unit: multiply, and the number gets bigger.
Change both amounts to the same unit before you add or subtract.

Common mistakes with this 4th grade measurement conversions test

Students compare measurements in different units without converting. Change both to the smaller unit, then compare. Slow down at that step and check it twice.
Students pour one cup’s amount instead of every cup’s amount. Also, multiply the amount in one cup by the number of cups.
Students add hours and minutes without checking for rollover. After 60 minutes, move to the next hour. Slow down at that step and check it twice.
Students give a total in meters only when the question asks for kilometers and meters. Instead, convert the total again.

Test-taking strategy

Write the conversion fact you are using beside each problem, such as 1 L equals 1,000 mL. Finally, it keeps you on track and shows your thinking.
Convert everything to the smaller unit before you compare or add. Also, whole numbers are easier to work with than mixed units.
Parents can help the night before by asking the child to convert a few amounts from a recipe or a distance sign.

Download the 4th grade measurement conversions test as a PDF with the button below and keep it with your notes.

4th grade measurement conversions test: frequently asked questions

Do I need to memorize the conversion facts for the test?

Yes, fourth grade tests usually expect you to know the common facts, like 1 kilometer is 1,000 meters and 1 pound is 16 ounces. So, make a card and practice until you can recall them. Also, if a fact is given on the test, use it.

How do you write a number of meters as kilometers and meters?

Divide by 1,000. So, the quotient is the kilometers, and the remainder is the meters. For 4,600 meters, the quotient is 4 and the remainder is 600, so the distance is 4 kilometers 600 meters.

How can I avoid unit mistakes on the test?

Write the unit after every number you use and every answer you give. If two numbers have different units, convert one of them before you add, subtract, or compare. Checking the units at the end takes only a few seconds.

All Grade 4 chapters: Grade 4 math.

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