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Decimals Practice Test v.3

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Find the difference.
unit_11_test_v3_files/i0020000.jpg
a.
26.29
b.
27.29
c.
37
d.
370
 

 2. 
What is 0.32 written as a fraction in simplest form?
a.
unit_11_test_v3_files/i0030000.jpg
b.
unit_11_test_v3_files/i0030001.jpg
c.
unit_11_test_v3_files/i0030002.jpg
d.
unit_11_test_v3_files/i0030003.jpg
 

 3. 
Phoenix, AZ, has 7.87 inches of precipitation a year. What is this decimal as a mixed number in simplest form?
a.
unit_11_test_v3_files/i0040000.jpg
b.
unit_11_test_v3_files/i0040001.jpg
c.
unit_11_test_v3_files/i0040002.jpg
d.
unit_11_test_v3_files/i0040003.jpg
 

 4. 
The table gives the length of the winning long jump in the Olympic Games for several years. There were no Olympic Games in 1916 because of World War I.
OLYMPIC MEN’S LONG JUMP
Year
Winning Jump
(in meters)
1896
6.35
1900
7.18
1904
7.34
1908
7.48
1912
7.60
1920
7.15

What is the difference between the winning lengths in 1912 and 1920? You may use grids to help.
a.
0.45 meters
b.
0.56 meters
c.
1.45 meters
d.
14.75 meters
 

 5. 
Which number rounds to 9 when rounded to the nearest whole number?
a.
9.51
b.
9.5
c.
9.19
d.
8.09
 

 6. 
The life expectancy of people living in Italy is 79.2 years while those living in Botswana only have a life expectancy of 35.3 years. Round each of these to the nearest whole number.
a.
79; 35
b.
79; 34
c.
78; 35
d.
78; 34
 

 7. 
Which number equals 6.8?
a.
6.80
b.
6.88
c.
6.0
d.
6.08
 

 8. 
Estimate the difference by rounding to the nearest whole number.

unit_11_test_v3_files/i0090000.jpg
a.
5
b.
4
c.
3
d.
2
 

 9. 
When Corinne left Houston for a drive to Austin in her new car, her odometer read 350.8. Halfway between Houston and Austin, the odometer read 432.2. What was the odometer reading when Corinne reached Austin?
a.
269.4
c.
513.6
b.
472.9
d.
595
 

 10. 
Find the sum.
unit_11_test_v3_files/i0110000.jpg
a.
12.61
b.
12.87
c.
13.61
d.
14
 

 11. 
Tell the value of the underlined digit in unit_11_test_v3_files/i0120000.jpg.
a.
nine hundredths
c.
nine ones
b.
nine tenths
d.
nine tens
 

 12. 
What is unit_11_test_v3_files/i0130000.jpg written as a decimal?
a.
0.03
b.
0.15
c.
0.3
d.
3.20
 

 13. 
A freight train has 100 cars and 97 of the cars are empty cars. Write a fraction and a decimal to show what part of the train is made up of empty cars.
a.
unit_11_test_v3_files/i0140000.jpg, 9.7
b.
unit_11_test_v3_files/i0140001.jpg, 0.97
c.
unit_11_test_v3_files/i0140002.jpg, 0.097
d.
unit_11_test_v3_files/i0140003.jpg, 0.097
 

 14. 
Estimate the sum unit_11_test_v3_files/i0150000.jpg by rounding to the nearest whole number.
a.
12
b.
11
c.
10
d.
9
 

 15. 
Write five and six tenths in standard form.
a.
50.6
b.
5.6
c.
5.06
d.
0.56
 

 16. 
The table shows some of the smallest countries in the world. Which country is smaller than Tuvalu?
SMALLEST COUNTRIES
(IN SQUARE MILES)
Country
Square Miles
Monaco
0.75
Nauru
8.11
Tuvalu
10.0
San Marino
23.6
Liechtenstein
62.0
Malta
122.0
a.
Liechtenstein
c.
Nauru
b.
Malta
d.
San Marino
 

 17. 
Round 3.65 to the nearest tenth.
a.
3
b.
3.6
c.
3.7
d.
3.75
 

 18. 
Subtract. Use the grids to help.
unit_11_test_v3_files/i0190000.jpg
unit_11_test_v3_files/i0190001.jpgunit_11_test_v3_files/i0190002.jpg
a.
1.06
b.
1.16
c.
1.24
d.
2.04
 

 19. 
Round 18.32 to the nearest whole number.
a.
17
b.
18
c.
18.4
d.
19
 

 20. 
Add. Use the grids to help.
unit_11_test_v3_files/i0210000.jpg

unit_11_test_v3_files/i0210001.jpgunit_11_test_v3_files/i0210002.jpgunit_11_test_v3_files/i0210003.jpg
a.
0.04
b.
2.23
c.
2.4
d.
2.5
 

 21. 
A cheetah can run 70 miles per hour while a garden snail only moves about 0.03 miles per hour. What is 0.03 in word form?
a.
three hundred
b.
three tens
c.
three tenths
d.
three hundredths
 

 22. 
Alma rode 3.3 miles from her home to school and 11.6 miles from school to the library. How much farther did Alma ride from school to the library than from home to school?
a.
1.49 miles
c.
9.3 miles
b.
8.3 miles
d.
14.9 miles
 

 23. 
Order the decimals from least to greatest.
5.39, 5.43, 5.4, 5.29, 5.81
a.
5.4, 5.39, 5.43, 5.81, 5.29
c.
5.29, 5.4, 5.39, 5.43, 5.81
b.
5.29, 5.39, 5.4, 5.43, 5.81
d.
5.29, 5.43, 5.39, 5.4, 5.81
 

Other
 

 24. 
Roxy painted 0.4 of a square patio in the morning. Then she painted 0.42 of the patio in the afternoon. Shade and label the grid to show the amounts that Roxy painted.
unit_11_test_v3_files/i0260000.jpg
How much of the patio has been painted?
0.4 + 0.42 = _______
 

 25. 
The shaded “T” below covers unit_11_test_v3_files/i0270000.jpg of the grid. Shade a matching “T” on the grid at the right.
unit_11_test_v3_files/i0270001.jpgunit_11_test_v3_files/i0270002.jpgunit_11_test_v3_files/i0270003.jpg
How many hundredths are shaded? Write this amount as a fraction and as a decimal.
Fraction _______unit_11_test_v3_files/i0270004.jpgDecimal _______
On the lines below, explain why unit_11_test_v3_files/i0270005.jpg is equivalent to the decimal you wrote.
 
 



 
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