Showing posts with label round off. Show all posts
Showing posts with label round off. Show all posts

Whole Number

Anwer all of the following.

1. Round off 29580 to the nearest hundreds.

2. Calculate
(a) 280 - 3x20 - 70

(b) (320 - 160)/4

3. Calculate
(a) 75x15

(b) 84-3x21+28

4. Safri, Aman and Dan has 120 , 78 and 102 marbles respectively. What is the total of their marbles ?

5. Rosie spends RM15 for T-shirt and RM17 for a blouse at a supermarket. If she paid RM50 note, what is the balance she received from the cashier ?


Happy Trying!


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
 
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