4. Claire wanted to buy a drink that costs Php 190, but she did not have
enough money for it. Gina agreed to lend her as much as money as she
had with her. After buying the drink, Claire was left with Php 10. How much
money did she have at first?
A. Php 90 B. Php 100 C. Php 110 D. Php 120
5. Mr. Ramos is filling his new fish aquarium with water. The aquarium holds
80 gallons. If he is going to fill 4
5
of the aquarium, how many gallons will he

need?
A. 40 B. 54 C. 64 D. 74
6. Troy is buying a computer on sale. The original price was Php 12 000. If
the sale price is 5
6
of the original price, how much did Troy pay for the

computer?
A. Php 10 000 C. Php 6 000
B. Php 8 000 D. Php 4 000
7. Edna started her hike at an elevation of 150 feet below sea level.
Throughout her hike, she ascended to 3 500 feet and then descended 675
feet. How much did her elevation change?
A. 2 670 feet C. 2 680 feet
B. 2 675 feet D. 2 685 feet
8. Alex had Php 15 000 in his checking account. He did a part-time job and
made Php 6 000. He decided to pay for him and a friend to go to the
movies and each ticket costs Php 350. How much money was left in his
checking account?
A. Php 22 300 C. Php 21 000
B. Php 21 300 D. Php 20 300

9. There are 50 students in Ms. Fullido's class and 1
2
of them has their own

smartphones. Of this group of students, 2
5
of them are allowed to use social
media. How many of the students have smartphones and can use social
media at the same time?
A. 25 C. 20
B. 15 D. 10
10.Jean bought a box of laundry detergent that contains 200 scoops. Each
load of laundry uses 2.5 scoops. How many loads of laundry can she do
with this one box?
A. 100 C. 120
B. 150 D. 80
11.How do you write this number in scientific notation: 45 000?
A. 4.5 x 104 B. 4.5 x 103 C. 4.5 x 10-3 D. 4.5 x 10-4
12.What do you call the decimal notation we normally use?
A. Scientific Notation C. Real Number Notation
B. Standard Notation D. Imaginary Notation
13.The human body has about 25 trillion blood cells. How do you write 25
trillion in scientific notation?
A. 2.5 x 1012 B. 2.5 x 1013 C. 2.5 x 1011 D. 2.5 x 1010
14.A snail crawls 2 x 10-5 kilometer per second. How do you write its speed
in standard notation?
A. 0.000 002 B. 0.000 0002 C. 0.000 02 D. 0.002
15.A computer can do an arithmetic operation in 1 x 10-8 second. How many
arithmetic operations can it perform in 1 minute?
A. 6 x 107 B. 6 x 106 C. 6 x 10-6 D. 6 x 10-7
16.How many seconds are there in 100 years (365 days per year)?
A. 3.1536 x 107 C. 3.1536 x 108
B. 3.1536 x 109 D. 3.1536 x 1010
17.The Earth picks up about 12 000 000 000 g of dust from outer space each
day. How much dust does it pick in 2 years (365 days per year)?
A. 8.76 x 1012 C. 8.76 x 109
B. 8.76 x 1011 D. 8.76 x 108
18.You need to light 3 000 000 000 000 000 000 000 000 000 candles to give
light as much as the Sun. How do you write the given number of candles
in scientific notation?
A. 3 x 1025 C. 3 x 1028
B. 3 x 1026 D. 3 x 1027
19.Write 5.4 x 10-6

in standard notation.

A. 0.000 0005 4 C. 0.000 000 54
B. 0.000 005 4 D. 0.000 000 054
20.The heaviest dog is the St. Bernard, which has a mass of 1 x 105 grams.
How heavy are 5 St. Bernard dogs?
A. 5 000 C. 500 000
B. 50 000 D. 5 000 000