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Decimals Practice Test v.2

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

 1. 
Round 8.25 to the nearest tenth.
a.
8
b.
8.2
c.
8.3
d.
8.35
 

 2. 
A cheetah can run 70 miles per hour while a whippet only moves about 35.50 miles per hour. What is 35.50 in word form?
a.
thirty-five and fifty hundred
b.
thirty-five and fifty tens
c.
thirty-five and fifty tenths
d.
thirty-five and fifty hundredths
 

 3. 
Find the difference.
unit_11_test_v2_files/i0040000.jpg
a.
9.27
b.
10.27
c.
24.93
d.
249.3
 

 4. 
Which number rounds to 2 when rounded to the nearest whole number?
a.
2.51
b.
2.5
c.
2.01
d.
1.09
 

 5. 
Subtract. Use the grids to help.
unit_11_test_v2_files/i0060000.jpg
unit_11_test_v2_files/i0060001.jpgunit_11_test_v2_files/i0060002.jpg
a.
1.09
b.
1.19
c.
1.21
d.
2.01
 

 6. 
Tell the value of the underlined digit in unit_11_test_v2_files/i0070000.jpg.
a.
eight hundredths
c.
eight ones
b.
eight tenths
d.
eight tens
 

 7. 
What is 0.56 written as a fraction in simplest form?
a.
unit_11_test_v2_files/i0080000.jpg
b.
unit_11_test_v2_files/i0080001.jpg
c.
unit_11_test_v2_files/i0080002.jpg
d.
unit_11_test_v2_files/i0080003.jpg
 

 8. 
Order the decimals from least to greatest.
1.09, 1.13, 1.1, 0.99, 1.51
a.
0.99, 1.09, 1.1, 1.13, 1.51
c.
1.1, 1.09, 1.13, 1.51, 0.99
b.
0.99, 1.1, 1.09, 1.13, 1.51
d.
0.99, 1.13, 1.09, 1.1, 1.51
 

 9. 
Angel rode 2.6 miles from her home to school and 15.1 miles from school to the library. How much farther did Angel ride from school to the library than from home to school?
a.
1.77 miles
c.
13.5 miles
b.
12.5 miles
d.
17.7 miles
 

 10. 
What is unit_11_test_v2_files/i0110000.jpg written as a decimal?
a.
0.19
b.
0.95
c.
1.9
d.
19.20
 

 11. 
Write seven and seven hundredths in standard form.
a.
70.07
b.
7.07
c.
7.007
d.
0.707
 

 12. 
Round 64.03 to the nearest whole number.
a.
63
b.
64
c.
64.1
d.
65
 

 13. 
Los Angeles, CA, has 11.01 inches of precipitation a year. What is this decimal as a mixed number in simplest form?
a.
unit_11_test_v2_files/i0140000.jpg
b.
unit_11_test_v2_files/i0140001.jpg
c.
unit_11_test_v2_files/i0140002.jpg
d.
unit_11_test_v2_files/i0140003.jpg
 

 14. 
Add. Use the grids to help.
unit_11_test_v2_files/i0150000.jpg

unit_11_test_v2_files/i0150001.jpgunit_11_test_v2_files/i0150002.jpgunit_11_test_v2_files/i0150003.jpg
a.
0.24
b.
2.13
c.
2.4
d.
2.5
 

 15. 
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 1908 and 1920? You may use grids to help.
a.
0.33 meters
b.
0.44 meters
c.
1.33 meters
d.
14.63 meters
 

 16. 
The life expectancy of people living in Andorra is 83.5 years while those living in Rwanda only have a life expectancy of 38.7 years. Round each of these to the nearest whole number.
a.
84; 39
b.
84; 38
c.
83; 39
d.
83; 38
 

 17. 
When Delphine left Houston for a drive to Austin in her new car, her odometer read 194.6. Halfway between Houston and Austin, the odometer read 276. What was the odometer reading when Delphine reached Austin?
a.
113.2
c.
357.4
b.
316.7
d.
438.8
 

 18. 
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.
Liechtenstein
c.
Nauru
b.
Tuvalu
d.
Monaco
 

 19. 
Find the sum.
unit_11_test_v2_files/i0200000.jpg
a.
18.74
b.
18.85
c.
19.74
d.
20
 

 20. 
Estimate the sum unit_11_test_v2_files/i0210000.jpg by rounding to the nearest whole number.
a.
19
b.
18
c.
17
d.
16
 

 21. 
Estimate the difference by rounding to the nearest whole number.

unit_11_test_v2_files/i0220000.jpg
a.
5
b.
4
c.
3
d.
2
 

 22. 
A freight train has 100 cars and 51 of the cars are blue cars. Write a fraction and a decimal to show what part of the train is made up of blue cars.
a.
unit_11_test_v2_files/i0230000.jpg, 5.1
b.
unit_11_test_v2_files/i0230001.jpg, 0.51
c.
unit_11_test_v2_files/i0230002.jpg, 0.051
d.
unit_11_test_v2_files/i0230003.jpg, 0.051
 

 23. 
Which number equals 7.9?
a.
7.90
b.
7.0
c.
7.99
d.
7.09
 

Other
 

 24. 
The shaded “T” below covers unit_11_test_v2_files/i0260000.jpg of the grid. Shade a matching “T” on the grid at the right.
unit_11_test_v2_files/i0260001.jpgunit_11_test_v2_files/i0260002.jpgunit_11_test_v2_files/i0260003.jpg
How many hundredths are shaded? Write this amount as a fraction and as a decimal.
Fraction _______unit_11_test_v2_files/i0260004.jpgDecimal _______
On the lines below, explain why unit_11_test_v2_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_v2_files/i0270000.jpg
How much of the patio has been painted?
0.4 + 0.42 = _______
 



 
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