6.4 Comprehension Quiz
Questions: 16 · 10 minutes
1. Which wording correctly expresses 6.4?
Six and four hundredths
Sixty-four hundredths
Six hundred forty
Six and four tenths
2. A walking route is 6.4 kilometers long, followed by another 2.75 kilometers. What is the total distance?
8.15 kilometers
9.15 kilometers
9.55 kilometers
33.9 kilometers
3. A machine makes 10 identical parts, each weighing 6.4 grams. What is their combined mass?
64 grams
6.40 grams
0.64 grams
640 grams
4. An item costs $6.40. If you pay with $10.00, how much change should you receive?
$2.60
$4.40
$3.60
$16.40
5. A 6.4-meter ribbon is cut into 8 equal pieces. How long is each piece?
0.08 meter
0.64 meter
0.8 meter
1.25 meters
6. Which fraction is 6.4 written in simplest form?
64/100
32/5
16/5
6/4
7. In the decimal 6.4, what value does the digit 4 represent?
Four tens
Four hundredths
Four ones
Four tenths
8. When 6.4 is rounded to the nearest whole number, what is the result?
6
6.5
7
5
9. A rectangle is 6.4 centimeters long and 2 centimeters wide. What is its area?
8.4 square centimeters
12.8 square centimeters
3.2 square centimeters
16.8 square centimeters
10. A measurement is recorded once as 6.4 meters and once as 6.04 meters. Which comparison is correct?
6.4 is less than 6.04
6.4 is greater than 6.04
The measurements are equal
They cannot be compared without converting the units
11. A number increased by 1.6 equals 8. What is the number?
6.4
6.2
5.4
9.6
12. Starting at 6 on a number line divided into tenths, how do you reach 6.4?
Move four tenths to the left
Move six tenths to the right
Move forty tenths to the right
Move four tenths to the right
13. A 6.4-liter container has 2.85 liters poured out. How much remains?
3.45 liters
4.55 liters
9.25 liters
3.55 liters
14. Which expanded form represents 6.4?
6 ones plus 4 tenths
6 ones plus 4 hundredths
6 tens plus 4 ones
4 ones plus 6 tenths
15. A package has a mass of 6.4 kilograms. What is its mass in grams?
64 grams
640 grams
6,400 grams
64,000 grams
16. Which number is exactly halfway between 6.3 and 6.5?
6.35
6.45
6.4
6.8