SA1 PREP( FRACTIONS AND DECIMALS)

                           7^TH MATHEMATICS

       SA1 PREPARATION (FRACTION & DECIMALS)

After going through this chapter students will be able to learn

TYPE 1 Define fractions and its various types .

Q1. Define proper fraction and vulgar fraction.

TYPE 2 Addition and Subtraction of fractions

Q1 Add 1  + 5 

Q2 Subtract 3 1/7 – 8 1/9

TYPE 3 Multiplication/Division of fractions

Q1 Multiply 4/6 x 6/15

Q2 Divide 6/16 by 5/14

TYPE 4 Decimal number name

Q1 Write number name of 623.41

Q2 Write number name of 2156.1234

TYPE 5 Expanded form

Q1 Expand 3125.126

Q2 Expand 810.016

TYPE 6 Addition/ Subtraction of decimals

Q1 Add the decimals 3.14, 45.125, 52.145

Q2 Subtract 4.32 from 16.004

TYPE 7 Convert fractions into decimals

Q1 Convert into decimals 344/10

Q2 Convert into decimals 5/9

TYPE 8 Comparisons of decimals

Q1 Arrange in descending order

7.48 , 7.84 , 7.4 , 7.8 , 7.04

TYPE 9 Multiplication /Division of decimals  

Q1 i)  Multiply 34.54 x 100  ii) 58.34 x 1.23 

Q2. I) Divide 3.34 by 10   ii) 3.48 by 2.1

TYPE 10 Conversion of units

Q1  Convert 5 cm into metres

Q2. Convert 7312 gm into kg, hg, mg, dg.

TYPE 11 Application of fractions and decimals

Q1 Kanu purchased 2   kg of rice and 2  kg of wheat . What is the total weight of rice and wheat purchased by her.

Q2. The cost of 32 chairs of the same kind is Rs. 6432.16 Find the cost of one chair.

Reference :- 1.  Above mentioned types are learning material .Please refer book also (M.E) *Maths  

                       Exemplar

                       2. www.dbs7maths.blogspot.in