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

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

Form 2 : Revision

Answer all of the following.

1. Round off 23729 to the
(a) nearest tens.

(b) nearest hundreds.

2. Calculate
(a) 15-7+2

(b) 20-(-15) + 7

3. Simplify

(a) (2x+y)+(3x+y)

(b) (5x-2y)+(x+3y)

(c) 3(x+2)+2(3x-4)

4. (a) 1 1/2+3/4

(b) 3/5-1/7

(c) 2x+p-7x+2p

5. A square has a length of 2x+1 unit. Write the perimeter of the square in
algebraic expressions.

email your answer to huffy64@gmail.com

Form 3 : Revision

Answer all of the following

1. (a)Write the number 11027 in words.
(b)Round of 36047 to the nearest thousands.

2. Calculate 2/0.02 - 30x0.1

3. Evaluate
(a)180x0.1-5x1.2
(b)(4/5)x320-20x0.8

4. Given x=2 and y=-3. Calculate
(a)2x-5y
(b)4x+3y

5. Solve 2y-4=5

6. Solve the following linear equation
(a)2x+5=11
(b)5x=2x+15

7. A rectangle has a side that is twice of the other. If the longer side is 14cm. What is the perimeter of the rectangle?

8. Sakinah and Rabiah are sisters. Sakinah is two years older than Rabiah. If their total age is 18 years, what is Rabiah's age.

9. Larry has RM200. He spend one fifth of the mone to buy some books. Calculate the balance of the money.

10. Swee Lee likes to eat apples. She bought two dozens of apples. If she eats two apples everyday for three days, how many apples she has left?

Happy trying...
Pn Hafsah