Form 1: Mathematics

Revision Exercises (Chapter 1 – 7)

Chapter 1: Whole Numbers

1. Round off 845 380 to the nearest thousand.

Answer:

2. Simplify 83728396 −×+÷ .

Answer:

3. Simplify )4253(238 −−× .

Answer:

4. A box contains 100 apples. Sam bought 8 boxes of apples and distributed them equally to 25

poor families. Calculate the number of apples each family received.

Answer:

Chapter 2: Number Patterns and Sequences

1. Find all the prime factors of 105.

Answer:

2. Find the lowest common multiple of 18 and 30.

Answer:

3. Find the lowest common multiple of 5, 8 and 16.

Answer:

4. Find the highest common factor of 16, 24 and 32.

Answer:

Chapter 3: Fractions

1. Simplify 4

3

5

11 − .

Answer: ________________

2. Simplify )3

1

5

3(

8

11 −× .

Answer: ________________

3. Simplify 3

2

6

12 ÷ .

Answer: ________________

4. Zakaria received RM 1050. He saved 5

2 of the money. How much did he save?

Answer:

Chapter 4: Decimals

1. Simplify 104.721.32 −÷ .

Answer:

2. Simplify 8.0

16.06×.

Answer:

3. Simplify 49.14078.0 ×+ .

Answer:

4. A sharpener costs RM1.65. A steel ruler is RM2.60 more expensive than the sharpener. If Lilian

has RM34.00, how many steel rulers can she buy?

Answer:

Chapter 5: Percentages

1. The cost price of a chair is RM60. It is sold for RM75. What is the percentage profit obtained

from the sale?

%100Cost

ProfitProfit Percentage ×=

Answer:

2. Original price of a badminton racket was RM80. The price of the badminton racket had been

reduced by 25% during a sale. What was the price of the badminton racket during the sale.

price Originaldecrease) of %%100(Decreaseafter Value Final ×−=

Answer: ______________

3. If 25% of the cost of a shirt is RM9, find the cost of the shirt.

Answer:

4. After a discount of 20%, the price of a pillow is RM24. Find the original price of pillow.

Answer:

Chapter 6: Integers

1. Arrange the integers below in increasing order.

Answer:

2. Simplify )7(12 −+− .

Answer:

3. Simplify )14()1(7 −−−−− .

Answer:

4. The temperature at the top of the mountain was -2ºC in the afternoon. In the evening, its

temperature dropped by 7ºC. Find the temperature at the top of the mountain in the evening.

Answer:

-8, -13, 2, -10, 7

Chapter 7: Algebraic Expression I

1. Simplify -3x + 11x.

Answer:

2. Simplify 9 + 3x – 2 – 6x + 4.

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3. Simplify 8m – 6y – 7m – 4 + 5y.

Answer:

4. There are (5m + 4) male teachers and (27 – m) female teachers in a school. Find the total

number of teachers in the school.

Answer: