P4
What needs to be added to 5 dollars and 45 cents to make 10 dollars?
4 dollars and 55 cents
The usual price of a projector was $1850.
At a IT fair, Dylan bought the projector at a discount of 20%.
How much did he pay for the projector?
$1480
Ann has $777 and Bill has $1 111. How much money does Bill need to give to Ann, so that they would have the same amount of money?
(1111-777) / 2 = 334 / 2 = 167
It is the figure formed by two lines extending from the same point.
Angles
On a trip, there are 9 children and 2 aduls per boat. If a total of 99 people went on this boat trip, how many were children?
81 children
Jane has $30. She gives a half of the money to a charity and the rest to her three cousins. THe cousins share the money equally. How much money does each cousin get?
$5
At the P.E. class, pupils help each other measure heights. The average height of Siva and Ali is 148 cm. Siva is 26 cm taller than Ali. What is the height of Siva?
Siva is 161 cm and Ali is 135 cm
Alicia wants to help her mother with thread cutting. What is the greatest number of pieces of thread, each measuring 7/8 m, that can be cut from a ball of thread which is 17 m long?
19 pcs of thread
It is the number resulting from the division of one number by another.
Quotient
Jane put some coins on the table so that one half of them were tails up. She turned two of the coins, and then once quarter of them were tails up. How many coins were there on the table?
8 coins
What are the common factors of 14 and 20?
1 and 2
The management of Botanic Garden decides to replace its fences. The cost of fencing is $320 for every 100 metres. How much does it cost to fence a square garden measuring 400 m by 400 m?
$5120
400x4 = 1600
1600 / 100 = 16
16 x 320 = $5120
The ratio of Ben's savings to Alvin's savings is 3 : 19. If Alvin has $722 savings, how much must Alvin give to Ben so that both will have the same amount?
1 unit = 722 / 1 = 38
16 units = 38 x 16 = $608
It is the amount of space occupied by a three-dimensional object as measured in cubic units (such as quarts or liters).
Volume
Hero's age today is 6 times her age 10 years ago. What is her age today?
12 years
The area of the square is 100 square inches. Find the measurement of its side.
10 inches.
20 similar cubes have a total volume of 4320 cm³. What is the edge of 1 cube?
6 cm
In a class, 60% of the students are boys. 50% of the boys and 90% of the girls love painting. What is the percentage of students who love painting?
50% of boys = 30% of students
90% of girls = 36% of students
total = 66% of students love painting
It is the chance that a given event will occur or happen.
Probability
I draw a straight chalk line across the 8x8 chessboard. What is the largest number of squares that the line can go through ?
15 squares
Emma spent 51 minutes 17 seconds on her Science and English homework. She spent 24 minutes 35 seconds on Science homework. How long did she spend on English homework?
26 minutes and 42 seconds
The community club has members from different age groups. The ratio of Jafar's age to Ali's age is 3 : 4. In 4 years' time, their total age will be 57. How old is Jafar now?
21 years old
21: 28 total is 49
49 +8 years = 57
The volume of a cube when it is half full of water is 864 cubic centimeters. What is the height of the cube?
1728 cubic centimeter is the total volume
Cube root of 1728= 12 or (12x 12 x 12)
The height of the cube is 12 centimeters
It is the combination of any of the natural numbers, the negatives of these numbers and zero.
Integers
My first is in chase, but not in chose.
My second is in a rush, but not in a bush.
My third is not in a cat, but is on the mat.
If you need a hand, I will give it to you.
What am I?
I am an ARM