Math Exercises (Form 2)

41

Cool Math

To all my fellow mathematics students of Form 2, all the question were sorted by chapter. Answers given below. Good luck trying. No due date.

CHAPTER 1

QUESTION 1
Find the value of: -58 * 3 + 74 – (10 * 2)

QUESTION 2
Find the value of: -36 / (-3) * 4 + 2

QUESTION 3
Find the value of: 20 + (-5) * 4 / (-2)

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CHAPTER 2

QUESTION 1
Given that (9)2 = 81, find the value of (0.9)2.

QUESTION 2
Given that  square root 60.25 = 7.762, what is the value of 77.622?

QUESTION 3
A tin of paint is needed to paint a square board with sides measuring 5 m each. Calculate the number of tins needed to paint a board with an area of 375 m2.

QUESTION 4
Given that 1.48 = 1.14, find the value of cube root 1480.

QUESTION 5
A woman walks 5 rounds along the border of a square field of area 49 m2. Find the total distance she walks in m.

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CHAPTER 3

 QUESTION 1
Simplify cd + ef – gh – 2(4gh + 7ef – 5cd).

QUESTION 2
Simplify 3(4cd – 3jl) – (5jl – cd)

QUESTION 3
Simplify (12ng – 3nl) – (10gn – 3ln)

QUESTION 4
Evaluate the expression below. Given j = 3, k = -1 and l = 4.

Expression for Question 4 (Chapter 3)

QUESTION 5
If p = 2 and q = 3, evaluate the expression below.

Expression for Question 5 (Chapter 3)

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CHAPTER 4

QUESTION 1
A pencil costs RMx and a pair of scissors costs thrice as much as the pencil. Ling paid RM3.50 to buy a pair of scissors and a pencil. Write a linear equation for the situation.

QUESTION 2
Find the value of p in each of the following equations.
(a) 8p = 72
(b) 3 7p = –(21 + 4p)

QUESTION 3
Solve each of the following equations.
(a) 3p = 5p 5
(b) 9x + 7 = 7(x 3)

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CHAPTER 5

QUESTION 1
A sum of RM600 is divided between Yogeswari and Yong in a ratio of 4 : 6. What is the sum of money received by Yong?

QUESTION 2
The heights of 3 students are 1.8 m, 1.2 m and 1.5 m respectively. What is the ratio, in its lowest term?

QUESTION 3
System Publication donated 120 dictionaries to three schools STAM, STAMING and SBADLISHAH in the ratio 3 : 6 : x. Given that school STAM received 24 dictionaries, calculate the value of x.

QUESTION 4
1 1/3 : 1 1/5 is equivalent to?

QUESTION 5
Given that x : y = 4 : 5, calculate the value of x if y = 30.

QUESTION 6
Pavitra and Deepti worked in a bakery shop. Pavitra was paid RM42 for a 6 hours work. Deepti was paid RM32 for 8 hours work. Calculate their total income if both of them worked for 20 hours in a certain week.

QUESTION 7
If RM180 is shared between Zainul and Venkat in the ratio 4 : 5, how much does Venkat get?

QUESTION 8
Given P : Q = 3 : 4 and P : R = 6 : 5, find the value of P : Q : R.

QUESTION 9
The ratio of the number of boys to the number of girls in SMK Kulim is 4 : 3. The total number of students is 4200. Calculate the difference between the numbers of boys and girls.

QUESTION 10
Given that 9 : 8 = 36 : 2x, calculate the value of x.

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CHAPTER 6
Available soon.

CHAPTER 7

QUESTION 1

Diagram for Question 1 - Chapter 7

Based on contruction above, give the possible value of x.

QUESTION 2
An angle of 150 degree can be constructed by constructing another 2 angles. State the 2 angles.

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CHAPTER 8

QUESTION 1

Diagram for Question 1 - Chapter 8

In the diagram above, GHIJ is a rectangle, find its area, in unit square.

QUESTION 2

Diagram for Question 2 - Chapter 8

The above diagram shows the Cartesian plane. QTS is a vertical line. T is the midpoint of QS. Find the coordinates of S.

QUESTION 3
Calculate the distance between M (-3,4) and N (8,4).

CHAPTER 9
Available soon.

CHAPTER 10
Available soon.

CHAPTER 11

Question 1

Diagram for Question 1 - Chapter 11

In diagram above, triangle N is the image of triangle M under a translation. What is the translation?

Question 2

Under a translation, the point T(6, 3) maps onto the point T’(2, 4). State the coordinates of the image of point S(2, 4) under the same translation.

Question 3

Diagram for Question 3 - Chapter 11

Diagram above shows polygon PQRS drawn on a grid of equal squares. On the diagram, draw polygon P‘Q’R'S’, the image of polygon PQRS under a 90° anticlockwise rotation about the point A.

Question 4

Given that A(1, 5) is mapped onto A (4, 2) under a reflection. Find the coordinates of the image of B(1, 2) under the same reflection.

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CHAPTER 12

Question 1

Diagram for Question 1 - Chapter 12

Diagram 1 shows a solid cylinder. Calculate its total surface area in cm2. (Use pi = 22/7)

Question 2

Diagram for Question 2 - Chapter 12

Diagram 5 shows a triangular prism. If the total surface area of the prism is 336 cm2, find the value of x. (Use pi = 22/7)

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CHAPTER 13
Available soon.

ANSWERS

CHAPTER 1
1. -120
2. 50
3. 30

CHAPTER 2
1. 0.81
2. 6025
3. 15
4. 11.4
5. 140 m

CHAPTER 3
1. 11cd -13ef – 9gh
2. 13cd – 14jl
3. 2gn
4. 144
5. -8

CHAPTER 4
1. 4x = RM3.50
2. (a) 9 (b) 8
3. (a) 5/2 (b) -14

CHAPTER 5
1. RM360
2. 6 : 4 : 5
3. 6
4. 10 : 9
5. 16
6. RM220
7. RM100
8. 6 : 8 : 5
9. 600
10. 16

CHAPTER 7
1. 45 degree
2.
90 degree & 60 degree

CHAPTER 8
1. 45
2.
(7,-1)
3.
11 unit

CHAPTER 11
1.

 

2. (6, 3)

3.

 

 

 

 

4. B’(1, 0)

CHAPTER 12

1. 1 056 cm2

2. 8

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