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Decimals Practice Test v.1

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

 1. 
What is unit_11_test_v1_files/i0020000.jpg written as a decimal?
a.
0.13
b.
0.65
c.
1.3
d.
13.20
 

 2. 
Subtract. Use the grids to help.
unit_11_test_v1_files/i0030000.jpg
unit_11_test_v1_files/i0030001.jpgunit_11_test_v1_files/i0030002.jpg
a.
1.11
b.
1.21
c.
1.39
d.
1.99
 

 3. 
A freight train has 100 cars and 33 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_v1_files/i0040000.jpg, 3.3
b.
unit_11_test_v1_files/i0040001.jpg, 0.33
c.
unit_11_test_v1_files/i0040002.jpg, 0.033
d.
unit_11_test_v1_files/i0040003.jpg, 0.033
 

 4. 
Write nine and six hundredths in standard form.
a.
90.06
b.
9.06
c.
9.006
d.
0.906
 

 5. 
When Sandra left Houston for a drive to Austin in her new car, her odometer read 761.6. Halfway between Houston and Austin, the odometer read 843. What was the odometer reading when Sandra reached Austin?
a.
680.2
c.
924.4
b.
883.7
d.
1,005.8
 

 6. 
Add. Use the grids to help.
unit_11_test_v1_files/i0070000.jpg

unit_11_test_v1_files/i0070001.jpgunit_11_test_v1_files/i0070002.jpgunit_11_test_v1_files/i0070003.jpg
a.
0.24
b.
2.13
c.
2.4
d.
2.5
 

 7. 
Round 8.35 to the nearest tenth.
a.
8
b.
8.3
c.
8.4
d.
8.45
 

 8. 
Find the difference.
unit_11_test_v1_files/i0090000.jpg
a.
37.36
b.
38.36
c.
40.33
d.
403.3
 

 9. 
A cheetah can run 70 miles per hour while a spider only moves about 1.17 miles per hour. What is 1.17 in word form?
a.
one and seventeen hundred
b.
one and seventeen tens
c.
one and seventeen tenths
d.
one and seventeen hundredths
 

 10. 
What is 0.96 written as a fraction in simplest form?
a.
unit_11_test_v1_files/i0110000.jpg
b.
unit_11_test_v1_files/i0110001.jpg
c.
unit_11_test_v1_files/i0110002.jpg
d.
unit_11_test_v1_files/i0110003.jpg
 

 11. 
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
 

 12. 
The table shows some of the smallest countries in the world. Which country is larger than San Marino?
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.
Tuvalu
c.
Monaco
b.
Liechtenstein
d.
Nauru
 

 13. 
Which number rounds to 6 when rounded to the nearest whole number?
a.
6.51
b.
6.5
c.
6.27
d.
5.09
 

 14. 
Order the decimals from least to greatest.
3.89, 3.93, 3.9, 3.79, 4.31
a.
3.9, 3.89, 3.93, 4.31, 3.79
c.
3.79, 3.93, 3.89, 3.9, 4.31
b.
3.79, 3.89, 3.9, 3.93, 4.31
d.
3.79, 3.9, 3.89, 3.93, 4.31
 

 15. 
San Diego, CA, has 6.9 inches of precipitation a year. What is this decimal as a mixed number in simplest form?
a.
unit_11_test_v1_files/i0160000.jpg
b.
unit_11_test_v1_files/i0160001.jpg
c.
unit_11_test_v1_files/i0160002.jpg
d.
unit_11_test_v1_files/i0160003.jpg
 

 16. 
Round 13.01 to the nearest whole number.
a.
12
b.
13
c.
13.1
d.
14
 

 17. 
The life expectancy of people living in Andorra is 83.5 years while those living in Mozambique only have a life expectancy of 35.5 years. Round each of these to the nearest whole number.
a.
84; 36
b.
84; 35
c.
83; 36
d.
83; 35
 

 18. 
Helena rode 8.6 miles from her home to school and 12.5 miles from school to the library. How much farther did Helena ride from school to the library than from home to school?
a.
2.11 miles
c.
4.9 miles
b.
3.9 miles
d.
21.1 miles
 

 19. 
Find the sum.
unit_11_test_v1_files/i0200000.jpg
a.
10.47
b.
10.92
c.
11.47
d.
12
 

 20. 
Which number equals 8.1?
a.
8.01
b.
8.0
c.
8.10
d.
8.11
 

 21. 
Tell the value of the underlined digit in unit_11_test_v1_files/i0220000.jpg.
a.
three hundredths
c.
three ones
b.
three tenths
d.
three tens
 

 22. 
Estimate the difference by rounding to the nearest whole number.

unit_11_test_v1_files/i0230000.jpg
a.
5
b.
4
c.
3
d.
2
 

 23. 
Estimate the sum unit_11_test_v1_files/i0240000.jpg by rounding to the nearest whole number.
a.
12
b.
11
c.
10
d.
9
 

Other
 

 24. 
The shaded “T” below covers unit_11_test_v1_files/i0260000.jpg of the grid. Shade a matching “T” on the grid at the right.
unit_11_test_v1_files/i0260001.jpgunit_11_test_v1_files/i0260002.jpgunit_11_test_v1_files/i0260003.jpg
How many hundredths are shaded? Write this amount as a fraction and as a decimal.
Fraction _______unit_11_test_v1_files/i0260004.jpgDecimal _______
On the lines below, explain why unit_11_test_v1_files/i0260005.jpg is equivalent to the decimal you wrote.
 
 

 25. 
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_v1_files/i0270000.jpg
How much of the patio has been painted?
0.4 + 0.42 = _______
 



 
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