Fractions : Adding Two Proper fractions.

STEPS

1. Make both denominators be the same.
2. Add the numerator.
3. Simplify.

Example 1 : Add 1/3 + 2/5

Step 1 : (1x5)/(3x5) + (2x3)/(5x3)

Step 2 : (5+6)/(15)

Step 3 : 11/15


Example 2 : Add 2/3 + 4/7

Step 1 : (2x7)/(3x7) + (4x3)/(7x3)

Step 2 : (14+12)/(21)

Step 3 : 26/21@1 5/21


Hafsah

Decimal : Basic operations on decimals.

Answer the following:

1. Calculate

(a) 12.8+0.27

(b) 109.075 +121.75


2. Find

(a) 45.7 - 12.5

(a) 128.1-47.25


3. Evaluate

(a) 12.5 x 4

(b) 15.7 x 1.5


4. Find

(a) 22.4/2

(a) 24/0.5

5. Calculate

(a) 3(2.5-0.7)+2(1.2+0.5)

(a) (128.5-20)/0.2


Happy Trying!

Hafsah

Probability

Probability formula : P(A) = n(A) / n(S)

Try the following :

There are 4 red roses and 6 white roses in a basket. Calculate the probability of getting

(a) a red rose if one rose is picked from the baskets.

(b) both roses are of the same color if two roses are picked from the baskets.


Happy trying!

Hafsah

Perimeter & Area

Answer all of the following :

1. Given a square has length 9 cm. Find
(a) the perimeter and
(b) the area
of the square.

2. A square has length 12 cm. Find
(a) the perimeter and
(b) the area
of the square.

3. Given a rectangle has length 4 cm and width 3 cm. Find
(a) the perimeter and
(b) the area
of the rectangle.

4. A rectangle has length 20 cm and width 8 cm. Find
(a) the perimeter and
(b) the area
of the rectangle.

5. Given a rectangle has length twice of its width. If the width is 12cm, find
(a) the perimeter and
(b) the area
of the rectangle.

Happy Trying guys
contact me at huffy64@gmail

hafsah

Polynomials

Answer the following:


Given that P(x)=2x^3-7x^2-2x+7. Show that x+1 is a factor of P(x).

Hence,

(a) find all factors of P(x)

(b) solve P(x)=0

(c) find the set solution for P(x)>0.


Happy Trying !

Hafsah

Whole Number - Solving Problems

Answer all of the following.

1. Ali and Ravi bought 80 and 75 marbles respectively. What is the total of their marbles ?

2. At the beginning David has 110 stamps. He gave 35 stamps to his friend Rashid. What is the number of stamps left ?

3. A teacher wants to distribute 120 sweets equally to 40 students. How many sweets each student has ?

4. A box contains a dozen books. If there are 5 boxes, how many books are there ?


Happy Trying !

Hafsah

Fraction

Answer all of the following

1. (1/2) + (2/3)


2. (3/5)-(1/3)


3. (2/5) x (3/4)


4. (3/4) /2


5. (1 1/3 + 2 1/6)


6. (1 1/7 -4/5)


Happy Trying !

Hafsah huffy64@gmail.com

Circle : Circumference.

Answer all of the following.

1. Find the circumference of a circle given that

(a) radius = 7 cm.

(b) radius = 3.5 cm.

(c) radius = 10.5 cm.

(d) radius = 42 cm.

2. Find the circumference of a circle given that the diameter is

(a) 70 cm.

(b) 35 cm.

(c) 2.1 cm.


Happy Trying !

Hafsah

Geometry Coordinate

Answer all of the following.

1. Given A(1,3), B(4,7). Find

(a) the mid-point of A and B.

(b) the length of AB.

(c) the gradient of AB.

2. Given that the equation of a straight line is y=3x+2. Find the equation of another straight line if

(a) it is perpendicular to line y=3x+2 and passing through origin.

(b)it is parallel to line y=-2x+5 and passing through point (0,2)

3. Find the distance of point AB. Given that

(a) A(0,2), B(0,-8)

(b) A(0,3),B(4,0)

(c) A(2,1),B(7,-11)


Happy Trying !
Hafsah
huffy64@gmail.com