MATHEMATICS

RATIONAL NUMBERS

ACTIVITY 1Simplify the following expressions

(1) (2)

(3) (4)

(5) (6)

(7) (8)

(9) (10)

(11) (12)

ACTIVITY 2Compute the following

(3)

(1) (2)

(4)

(5) (6)

(7) (8)

(9)

(10)

(11)

(12)

(13)

ACTIVITY 3Compute the following

(1) (2)

(3) (4)

(1)If What is ?

(2)If what is ?

ACTIVITY 4

(3)Prove that if then

(4)If then what is

(5)Prove that if then

(6)Prove that if then each is equal to

ACTIVITY 5Write the following expressions in decimal form

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

ANSWERSActivity 1 (1) (2)

(3) (4) (5) (6) (7)

(8) 3 (9) (10) (11) (12)Activity 2

(1 (2) (3) (4) (5)

(6) (7) (8) (9) (10)

(11) (12) (13)

Activity 3

(1) (2) (3) (4)

Activity 4

(1) (2) 2 (4)

Activity 5

(1) 0.1 (2) 2.3 (3) 0.39 (4)0.5 (5) 0.8 (6) 0.75 (7) 0.125

(8)0.1111 (9)0.2222 (10) 0.14285 (11) 0.09090 (12) 0.181818

(13) 0.083333

SUBMITTED BY SAPNA I P ROLL NO:30 MATHEMATICS KSTC