SA1 PREPARATION (NUMBER SYSTEM)

                             9^TH MATHEMATICS

       SA1 PREPARATION (NUMBER SYSTEM)

After going through this chapter students  will be able to

TYPE 1  Insert rational number between two rational number

Q1 Insert two rational number between 3/5 and 4/5

Q2 Insert 4 rational number between -2/3 and ¼

*Refer Q2 pg 9 of M.E (Maths exemplar )

TYPE 2 Decimal representation of rational number

Q1 Represent 7/8 in decimal form.

Q2 Express 2157/625 in decimal form.

TYPE 3 Express in p/q form

Q1 Express 0.333……… in p/q form

Q2 Express 0.3535……… in p/q form

*Refer Q7 of pg 10 of M.E

TYPE 4 Representing irrational number on number line  

Q1 Represent √3 and √5 on number line.

Q2 Represent √9.3 and √ 10.5 on number line .

*Refer Q6 pg 9 of M.E

TYPE 5 Simplify /Rationalise 

Q1 1/(√3+√2)

*Refer Q 10 ,Q14 pg 10,11 of M.E

Reference :- 1.  Above mentioned types is learning material .Please refer book

                       2. www.dbs9maths.blogspot.in