NOTE: Answers to all questions are given at the end of this exercise.

__Question No. 1:
__

**Write an algebraic expression for each of the following:**

(a) add 2x to 14

(b) subtract 14 to 5a

(c) multiply 4 by 2k

(d) divide 8x by 24y

(e) add 2x to twice 3y

(f) subtract 5x from half of y

(a) add 2x to 14

(b) subtract 14 to 5a

(c) multiply 4 by 2k

(d) divide 8x by 24y

(e) add 2x to twice 3y

(f) subtract 5x from half of y

NOTE: Answers to all questions are given at the end of this exercise.

__Question No. 2:
__

**Translate each of the following word expression into algebraic expression.**

(a) the sum of a number 2x and a number y

(b) the product of 8 and a number k

(c) fifteen subtracted from twice the number t

(d) three times the number u decreased by 4

(e) eight more than half of a number v

(f) the total value of h 50 coins and k $2 notes in dollars

(g) the total cost of buying x sets of stamps to commemorate the 50th anniversary of the inter-religious organisation (IRO) at $1.82 per set, and y set of rabbit zodiac series at $2.22 per set.

(a) the sum of a number 2x and a number y

(b) the product of 8 and a number k

(c) fifteen subtracted from twice the number t

(d) three times the number u decreased by 4

(e) eight more than half of a number v

(f) the total value of h 50 coins and k $2 notes in dollars

(g) the total cost of buying x sets of stamps to commemorate the 50th anniversary of the inter-religious organisation (IRO) at $1.82 per set, and y set of rabbit zodiac series at $2.22 per set.

NOTE: Answers to all questions are given at the end of this exercise.

__Question No. 3:
__

**Write an algebraic expression for each of the following:**

(a) the cost of x litres of petrol at $1.10 per litre

(b) three times the variable x divided by the sum of 3 and k

(c) five times the number which is 3 more than h

(d) one quarter of the number which is 4 less than m

(e) the total number of eggs in the cartons where each carton contains n eggs

(f) the total distance traveled by a car for x hours at a constant speed of z km/h

(a) the cost of x litres of petrol at $1.10 per litre

(b) three times the variable x divided by the sum of 3 and k

(c) five times the number which is 3 more than h

(d) one quarter of the number which is 4 less than m

(e) the total number of eggs in the cartons where each carton contains n eggs

(f) the total distance traveled by a car for x hours at a constant speed of z km/h

NOTE: Answers to all questions are given at the end of this exercise.

__Question No. 4:
__

**Mary is x years old. Write an algebraic expression for each of the following.**

(a) three times Mary’s age next year

(b) five times Mary’s age 6 years ago

(c) the present age of Mary’s aunt if her aunt is four times as old as Mary will be 2 years from now.

(d) the present age of Mary’s niece if her niece is 3 years less than one-third Mary’s age 5 years ago.

(a) three times Mary’s age next year

(b) five times Mary’s age 6 years ago

(c) the present age of Mary’s aunt if her aunt is four times as old as Mary will be 2 years from now.

(d) the present age of Mary’s niece if her niece is 3 years less than one-third Mary’s age 5 years ago.

**Answers**

**(from left to right)**

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