4th Grade Measurement Units and Conversions Quiz: 10 Questions with Answers

4th grade measurement conversions quiz – Maths PDF

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

Key takeaway: This quiz helps fourth grade students quickly check how well they can convert between units and solve measurement problems.

Topic: Measurement Units and Conversions (4th grade)
Content: 10 multiple-choice questions with instant explanations
Standards: 4.MD.A.1, 4.MD.A.2
Answers: Explanations included
Format: Free printable PDF, US Letter, black and white

This quiz helps fourth grade students quickly check how well they can convert between units and solve measurement problems. It has 10 multiple choice questions, and the wrong answers match common mistakes, such as dividing instead of multiplying.

The questions cover kilometers to meters, liters to milliliters, kilograms to grams, pounds and ounces, minutes and seconds, comparing lengths, finding an end time, and word problems with milk, flour, and ribbon. Also, plan about 10 minutes. Read each explanation afterward, because it shows the conversion fact that matters.

Take this 10-question quiz on measurement units and conversions. Choose the best answer for each question. Some questions use a picture. The explanations show the usual mistakes, such as dividing instead of multiplying.

Grade 4 · Common Core State Standards: 4.MD.A.1, 4.MD.A.2

4th grade measurement conversions quiz: 10 questions

Question 1

How many meters are in $6\text{ km}$?

Question 2

How many milliliters are in $8\text{ L}$?

Question 3

Look at the blocks. How many grams are in $3\text{ kg}$?

Each block is 1 kg = 1,000 g.

Question 4

How many ounces are in $3\text{ lb } 5\text{ oz}$?

Question 5

How many seconds are in $4\text{ min } 20\text{ sec}$?

Question 6 and after

Question 6

Which length is the greatest?

Question 7

The show starts at the time on the clock (PM) and lasts $1\text{ hr } 45\text{ min}$. When does it end?

The clock shows 7:20.

Question 8

A $1\text{ L}$ bottle has $350\text{ mL}$ used. How much is left?

1 L = 1,000 mL.

Question 9

A bag holds $2\text{ kg}$ of flour. A recipe uses $1{,}250\text{ g}$. How many grams are left?

2 kg = 2,000 g.

Question 10 and after

Question 10

Ribbon costs $3 per meter. Mei buys 2 m 50 cm of ribbon. How much does she pay?

Remember

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 quiz

Students change only the pounds in a mixed measurement and forget the extra ounces. Convert the larger unit, then add the leftover amount.
Students pick the largest number as the greatest length. Convert each choice to centimeters first. Slow down at that step and check it twice.
Students add minutes incorrectly and write an hour like 8:90. After 60 minutes, move to the next hour.
Students multiply a price by the wrong length unit. Convert centimeters to meters first, then multiply by the price per meter.

Tips to get a high score

Check the direction of your conversion. Larger to smaller means a bigger number, so multiply. Repeat this habit on every problem for the best results.
Write the unit next to each number as you work. Then, this is the easiest way to avoid mixing grams and kilograms.
Teachers can use this quiz as an exit ticket and check which fact, such as ounces in a pound, needs more review.

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

4th grade measurement conversions quiz: frequently asked questions

How many seconds are in a mixed time like 2 minutes 10 seconds?

There are 130 seconds. Two minutes is 2 times 60, or 120 seconds, and adding 10 more gives 130. Converting the larger unit first and then adding the extra seconds works for any mixed time.

How do you find how much is left from a bag measured in kilograms?

Convert kilograms to grams first. A 3 kilogram bag is 3,000 grams, and using 1,500 grams leaves 1,500 grams. Working in the smaller unit keeps the subtraction simple and avoids decimals.

How do you find the cost of a length given in meters and centimeters?

Change the length to meters, since 50 centimeters is half a meter. Then multiply by the price per meter. Make sure the length unit matches the price unit before you multiply. A quick check like this takes only a few seconds and prevents most errors.

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