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Food for Hungry Minds School - Makati
Third Periodical Test in Math 4B
S.Y. 2010 - 2011
CN ____
Name: _______________________________________
Grade and Section: _______________________________________
Date: _____________
Score: ______________I
I. Write True on the blank before each number if the statement is correct. Otherwise, write
False. (10 pts.)
___________1. In changing a mixed number to an improper fraction, multiply the whole number by
the denominator and add the numerator.
___________2. Fractions with different denominators are called proper fractions.
___________3. Proper fraction is a fraction whose numerator is greater than the denominator.
___________4. Denominator names the equal parts in a whole or in a set.
___________5. Equivalent fractions are formed by multiplying the numerator and the denominator
by the same number greater than 1.
___________6. Symbols >,<, or = are used to compare fractions.
___________7. All odd numbers are prime numbers.
___________8. One is neither prime nor composite number.
___________9. The GCF is the greatest number which is common to two or more numbers.
___________10. All even numbers are composite numbers.
II. Identify the term described in each sentence. Write only the letter of your answer. Choose
the answer on the box. (5 pts.)
a. Fraction
b. Equivalent
c. Similar fraction d. Mixed Number e. Improper
fractions
fraction
_____1. It is a fraction whose denominators are the same.
_____2. It names part of a whole or a set.
_____3. It is a fraction whose numerator is greater than or equal to its denominator.
_____4. It is a whole number and a fraction written together.
_____5. These are fractions that name the same part of a whole or a set.
III. Write P on the blank if the given number is a prime number and C if it is a composite
number. (8 pts.)
1.
19
Prime
Composite
2.
36
Prime
Composite
3.
2
Prime
Composite
4.
25
Prime
Composite
5.
18
Prime
Composite
6.
21
Prime
Composite
7.
6
Prime
Composite
8.
17
Prime
Composite
IV. Match each composite number with its prime factorization in column A. (5 pts.)
Column A
Column B
_____1. 3x3 x5
a. 88
_____2. 3x3x2x5
b. 84
_____3. 5x5x7x2
c. 350
_____4. 2x2x7x3
d. 90
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Food for Hungry Minds School - Makati
Third Periodical Test in Math 4B
S.Y. 2010 - 2011
_____5. 11x2x2x2
e. 45
V. Write the GCF of the given pair of numbers. (6 pts.)
1. 10 and 18
2. 15 and 35
3. 24 and 32
GCF =
GCF =
GCF =
4. 10 and 100
5. 27 and 45
GCF =
GCF =
6.
12 and 8
GCF =
VI. Find the LCM of each set of numbers. Use any of the methods learned. (5 pts.)
1. 7 and 21
2. 6 and 4
3. 18 and 36
LCM =
LCM =
LCM =
4. 5 and 3
5.
LCM =
12 and 24
LCM =
VII. Draw figures to represent each fraction. (5 pts.)
a. 3 4/5
b. 3
2
d. 4 2/3
c. 4
8
e. 7
5
VIII. Classify the following fractions. Write proper, improper, or mixed number on the blank
before the numbers. (5 pts.)
__________1. 11 2/9
__________2. 18/9
__________3.
5/15
__________4.
5 7/10
_______________5.
12/6
IX. Fill in the missing number to show equivalent fractions. (8 pts.)
1. 2
2. 12
3. n
8
24
9
=
=
=
n
n
4
36
5
15
n = ____
5.
8
n = ____
16
6. 12
n
9
=
32
n = ____
7.
n
4
=
n = ____
4.
=
n = ____
n = ____
12
8. n
18
1
15
=
n = ____
2
n
10
=
n
18
21
7
3
n = ____
Food for Hungry Minds School - Makati
Third Periodical Test in Math 4B
S.Y. 2010 - 2011
X. Identify each set of fractions as similar or dissimilar. Write your answer on the space
provided. (5 pts.)
1. 3, 5, 9, 8
____________________
10 10 10 10
2. 4, 4, 4, 4
6, 7, 11, 9
____________________
3. 12, 5, 6, 7
15, 15, 15,15
____________________
4. 2, 3, 5, 9
4, 8, 10, 9
____________________
5. 12, 5, 6, 7
13, 13,13,13
____________________
XI. Change improper fractions to mixed numbers. (6 pts.)
1. 33
2. 25
3. 16
4. 27
5
12
3
10
5. 15
6. 20
7. 17
8. 11
9
6
7
2
XII. Write the mixed numbers as improper fractions. (6 pts.)
1.
2.
3.
6
1
1
6
3
5
8
2
3
5.
6.
11
4
7.
3
1
12
4.
2
11
8.
8
4
4
10
4
6
10
6
XIII. Write >, <, or = on the space provided to compare fractions. (6 pts.)
1. 1
2. 6
3. 6
1
1
2
4
8
18
18
4. 3
3
3
9
9
5
15
15
5.
2
6
13
13
6.
XIV. Write the given fractions in its lowest terms. (10 pts.)
1. 5
2. 9
3. 8
4.
11
6.
21
20
6
7. 2
8. 15
14
6
36
9.
3
1
4
5. 15
16
25
4
10. 18
12
36
Food for Hungry Minds School - Makati
Third Periodical Test in Math 4B
S.Y. 2010 - 2011
VI. Analyze and solve the following problems. Show your solution. (10 pts.)
1. A bulletin board was equally divided into 6 academic subjects. What part of the board is
occupied by 1 subject? Draw a figure to the show the fraction.
2. John scored ½ of the perfect score of 30 points. What was his score? Show your solution.
3. There were 8 baseball players in a team. Only 3 were awarded as beat players in the team.
What fraction of the players were best awardees? Draw figure to show fraction.
4. Bobby used 5/2 meters of chicken wire to fence his garden. How many meters of wire did he
use? Show your solution.
5. Julia helped her mother I cooking. She used 3/8 can of cooking oil in frying fish. And 1/8 can in
frying meat. In which dish did she use more oil, in fried fish or fried meat? Why?
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