Download SAN CELESTNO (1st)

SAN CELESTINO NATIONAL HIGH SCHOOL
MATHEMATICS GRADE-7
Knowledge
Direction: Choose the letter of the correct answer. Write it on the space provide before each
number.
_____1.) It is a well defined group of objects?
a. Universal Set
b. Subset
c. Elements
d. Set
_____ 2.) A Venn Diagram that represents “the intersection of A and B or A∩B is {6, 12, 18}
a.
c.
U
U
A
B
6
12
6
A
12
B
18
12
b.
U
A
6
12 18
U
B
6
12
A
2 4 8
10 14
18
6, 12, 13
d.
B
8
9
15
_____ 3.) If U={1, 2, 3, 4, 5, 6, 7, 8, 9,} and X={2, 4, 6, 8} , find X’.
a. x’={1, 3, 9}
b. x’={1, 3, 5, 7, 9}
c. x’={2, 4, 6, 8}
d. x’={1, 2, 3, 4,5 ,6 7, 8,9 }
_____ 4. ) If A={0, 1, 2, 3, 4, 5} and B={4, 5, 6, 7, 8, 9}, find AUB
a. {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
b. {0, 1, 2, 3, 4, 5} {4, 5, 6, 7, 8
c. {0, 1, 2, 3, 4, 4, 5, 5, 6}
d. {0}
_____ 5. ) From the given problem in no. 4, find A∩B.
a.
b.
{0, 1, 2, 3}
{2, 4, 6, 8}
c. {1, 3, 5}
d. {4,5}
_____ 6.) Given U= {1, 2, 3, 4, 5}, A={1, 3, 5}, B={1, 5}.Find A’=
a.
b.
{1, 2, 3, 4,5}
{2, 4}
c. {1, 5}
d. {2, 4, 5}
{2, 3, 4}
{1, 3, 5}
c. {1, 5}
d. {2, 4, 5}
_____ 7.) Find B’
a.
b.
_____8.) Find the value of │-9│ + │-2│.
a.-9
b.9
c.-11
d.11
_____ 9.) Write the integer that represents the situation “P2000 deposit in a blank.”
a.
P 2,000 b.+2000
c.-2000
d.-P2000
_____ 10.) Add: (-48) + 43 + (-1)=_______
a.
6
b. 5
c.-5
d.-6
_____ 11.) Find the product: (-20)(-5)(-3)=_______
a.
b.
-300
-10
c. 10
d. 30
_____ 12.) What is 10 more than -2?
a.
b.
12
8
c. 6
d. -8
_____ 13.) By how much is the product of 3 and 9 larger than the sum of 3 and 9?
a.
b.
15
20
c. 29
d. 42
____ _14.) Find the quotient of -720 and -9?
a.
b.
30
3
c. -3
d. -30
_____ 15.) What do you call the quotient of 0 and 0?
a.
b.
Determine
Undetermined
c. Defined
d. Undefined
_____ 16.) Which is twice the product of -8 and -2?
a.
b.
-16
-32
c. 32
d. 16
_____ 17.)Determine the property of multiplication illustrate in the equation: 4x(1/4) = 1
a.
b.
Closure
Identity
c. Inverse
d. Distributive
_____ 18.) -4 is how much greater than -17?
a.
b.
21
13
c. -13
d -21
-22
-2
c. 2
d. 22
_____ 19.)Subtract -10 from 12.
a.
b.
_____ 20.) /x/ = 3 means
a.
b.
X=e
X=-3
c. x=3 or x=-3
d. x=0
_____21.) Evaluate -/-7/.
a.
b.
-7
7
c. + - 7
d. 0
_____ 22.)If 6 means an increase of sixteen points, what does -10 means?
a.
b.
Win of 10 points
Decrease of 10 points
c. gain of 10 points
d. increase of 10 points
_____ 23.) How do you denote the starting point?
a.
Positive
d. No answer
b. Negative
c. zero
_____ 24.) Which of the following tell us a negative number sign?
a.
b.
Below sea level
At sea level
_____ 25.) Using a number line, which of the following will be positive n?
c. Above sea level
d. High at sea level
a.
N is four units to the left of 0
c. n is 2 units to the
N is 6 units to the right if -7
d. n is 4 units to the
left of 1
b.
right of -3
_____ 26.)Evaluate /7-8/ + /(-1)6/
a.
-8b. -7
c.7
d. 8
_____ 27.)The best approximation of temperature for a normal body temperature is….
a.
b.
17 degrees Celsius
27 degrees Celsius
c. 37 degrees Celsius
d. 47 degrees Celsius
_____28.) The sun is approximately 9.30 x 10⁹ miles away from Mars. This is equal to which whole
number?
a.
b.
930,000
9,300,000,000
c. 9,300,000
d. 93,000,000
_____29.) From San Celestino to Tanauan, a jeep travels 3 hours, from Tanauan to Manila it takes 5
hours. How long will it take traveling from San Celestino to Manila?
a.
b.
15 hours
8 hours
c. 10 hours
d. 7 hours
_____30.) What is the sum of the first five prime nos.?
a.
25
d.30
b. 27
c. 28
_____31.) How many kilograms in 2000 grams?
a.
2
d.20
b.2.5
c.5
_____32.) A film is 35 mm wide. What is the width in cm?
a.
350
d.0.35
b.35
c.3.5
_____33.)The length of a Blue Whale is given as 30.4m. Between what two numbers is its actual
length?
a.
b.
35 m and 40 m
30.3 m and 30.5 m
c. 25 m and 30 m
d.31 m and 32 m
_____34.) How many square mm are there in 0.05 square cm?
a.
b.
5 square mm
50 square mm
c.500 square mm
d.1.5 square mm
_____35.) What is the opposite of -5?
a.
5
b.-5
c.⅕
d.0
_____36.) Which of this statement is true?
a.
b.
│-2 │ is less than 0
4 is greater than │5│
c. -│8│=│8│
d. │-3│ is greater than 1
_____37.) The sum of (-5), -6 , 4 is
a.
15
d. -15
_____38.) What is the additive inverse of -3?
b. 7
c. -7
a.
3
d. -1/3
b. 1/3
c. -3
_____39.) Which is true in the following expressions?
a.
b.
-1 -4= -5
-6-1=7
c. -8 – 1=7
d. -9-1=-9
_____40.) The product is 24 and the sum is -10.
a.
b.
6 and 4
-6 and 4
c. -6 and -4
d. -4 and 6
_____41.) The product is -88 and the sum is -18.
a.
b.
22 and 4
22 and -4
c. -22 and -4
d. -22 and 4
_____42.) If 3 = (-8) + 5, is it correct? Why?
a.
YES, because the difference of two is 5 since absolute value of 3 is
higher than -8
b.
c.
d.
NO, because the difference of two is -5
YES, because adding differs in sign, get the difference of two
NO, because adding differs in sign, the answer is always negative
_____43.) 0.3….,0.9…,and 0.1… are example of?
a.
b.
c.
d.
Terminating decimals
Repeating non terminating decimals
Improper fraction
None of the above
_____44.) Round of 16.0484 to the nearest hundredths?
a.
16.1
b. 16.05
c. 16.04
d.16.048
_____45.) At a concert there were 25 more women than men. The total number of people at the
concert was
139. Find the number of women.
a. 50
b. 82
c. 57
d.97
_____46.) Margaux saves 150 pesos per week. How much will she save two months from now?
a.
b.
c.
d.
P1,300
P1,100
P1,200
P1,000
_____47.) If 20 men can assemble six calculators a day, how many men are needed to assemble 18
calculators
In a day?
a.60
b. 50
c.40
d.30
_____ 48.) Which of the following fractions is a non terminating decimal?
a.⅕
b. ¾
c.⅓
d.1/2
c. 25
d.35
_____ 49.) What is the square root of 625?
a.5
b. 15
_____50.) What is the sum of the first five positive even numbers?
a.10
b. 20
c. 30
d. 40
PERFORMANCE:
Problems:
Write your answer on the space provided after the questions.
1.) There are 42 students who will take a test in Mathematics. There are 36 students who passed Test
I, and there are 38 who passed the Test II. Find the maximum number of students who did not pass
both test .
2.) What is a rational number? Use your own words.
3.) Ron had PhP2280 in his checking account at the beginning of the month. He wrote checks for
PhP450, P1200, and PhP900.He then made a deposit of PhP1000. If at any time during the month the
account is overdrawn, a PhP300 service charge is deducted. What was Ronnie’s balance at the end of
the month?
4.) During the Christmas season. The student government association was able to solicit 2,356
grocery items and was able to distribute 2,198 to one barangay. If this group decided to distribute
1,201 grocery items to the next barangay, how many more grocery items did they need to solicit?
5.) Matt can type 45 words per minute, how many words can Matt type in 30 minutes?
6.) A teacher has to divide 280 pieces of graphing paper equally among his 35 students. How many
pieces of graphing paper will each student receive?
7.) Name 10 rational numbers that are greater than -1 but less than 1 and arrange them from least to
greatest on the real number line?
8.) Camille had P7500 for shopping money. When she got home, she had P132.75 in her pocket. How
much did she spend for shopping?
9.) Lynn and Cherry are comparing their heights. If Lynn’s height is 120¾ cm. and Cherry’s height is 96
⅓ cm. What is the difference in their heights?
10.) Christine spent 3½ hours doing her assignment. Rico did his assignment for 1⅔ times as many
hours as Christine did. How many hours did Rico spend doing his assignment?
Skills
Write your answer on the space provided before each number.
_____1.) A = {a,e,I,o,u} and B = {a,b,c,d,e}, find AUB.
a. AUB = {a,e,i,o,u,a,b,c,d,e}
b. AUB = {a,e,i,o,u,b,c,d}
c. AUB = {a,e,I,o,u}
d. AUB = {a,b,c,d,e}
_____2.) Given: A = {1,2,3,4,5,6}, B = {2,4,6}, C = {1,3,5,……}.
What is A∩B?
a. A∩B = {1,3,5}
b. A∩B = {1,2,3,4,5,6}
c. A∩B = {2,4,6}
d. A∩B = {1,2,3,}
3.) Given: U = {1,2,3,4,5}, A = {1,3,5}, B = {1,5}, and C = { }.
Find: A’
___________________
_____4.) Let U = {0,1,2,3,4,5,}, A = {2,4} and B = {1,5}. Then, A’ is?
a. A’ = {1,3,5}
b. A’ = {2,4,6}
c. A’ = {1,2,3,4,5}
d. A’ = {2,4}
The following diagram shows how San Celestino National High School Students go to School.
Walking 75
9
55
Motorcycle
36
Tricycle
5
7
10
47
Jeep
5.
How many students ride in a
jeep, motorcycle and tricycle going to school? _______
6.
How many students ride in both
motorcycle and a jeep? _______
7.
How many students ride in both
motorcycle and tricycle? _______
8.
How many students ride in both
tricycle and a jeep? _______
_____9.) Simplify – (+9)
a.
b.
c.
d.
_____10.)
+(-9) = –9
+(-9) = +9
–(+9) = –9
–(+9) = +9
-3 -2 -1 0 1 2 3
The opposite of -2 is?
a.
1
b. -1
c. 2
d. -2
11.) Name 10 rational numbers that are greater than -1 but less than 1 and arrange them from least
to greatest on the real number line.
*
12.) Helen had P10,000.00 for shopping money. When she got home, she had P8633.90 in her pocket.
How much did she spend for shopping?
*