Subject:-Mathematics

Class:-VII                              chapter-2

FRACTIONS AND DECIMALS

[WORKSHEET-1]

KEY CONCEPTS:-

1. ADDITION OF FRACTIONS
2. SUBTRACTION OF FRACTIONS
3. ASCENDING ORDER AND DESCENDING ORDER OF FRACTIONS
4. MULTIPLICATION OF FRACTIONS
5. DIVISION OF FRACTIONS

⇾ FROM TEXT BOOK -EX.2.1 in pgno-31

1.(v,vi,vii) 

2.(1,2) , 4 and 5 sums based on addition and subtraction of fractions

⇾MULTIPLICATIONS OF FRACTIONS

CLICK THE ABOVE LINK AND DO THE SUMS FROM THE TEXTBOOK EX-2.2  /3(ii to ix)

HINT:-  

➝EX-2.2 - 5th sum  a)   

do the remaining sums like above.

CLICK THE FOLLOWING LINK AND OBSERVE HOW TO MULTIPLY MIXED FRACTION BY A WHOLE NUMBER

⇾ do the sums from the textbook EX-2.2/6th sum

HINT:-

do the remaining sums in the same procedure

CLICK THE FOLLOWING LINK FOR HOW TO MULTIPLY FRACTION BY A MIXED FRACTION

do the sums from the text book EX-2.3 / 2 AND 3 ROMANS 

Hint;
         

do the remaining sums in the procedure

⇾DIVISION OF FRACTIONS:

ex 2.4/1,3,4 romans do as above

Hint;

  

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                                        WORK SHEET 2

                                                                          Decimals 

1) decimal comparision

2) converting rupees into decimals

3) expanded form of decimals

4)conversion cm into m and km

ex 2.5/1st sum 

comparision of decimals

Do the remaining sums in the same procedure

converting rupees into decimals

do the sums from the text bookex 2.5/2 roman

➡️Do the sums from text book ex 2.5(3/i and ii) based on the following link

 Expanded form of decimals

➡️Do the sum ex2.5(5 roman) 

Hint; 

MULTIPLICATION OF DECIMALS

➡️Based on the following link do the sums from the text book ex 2.6(3 roman)

Multiplying decimal with 10,100,1000

➡️Based on the following link do the sum ex2.6(1 roman)

Multiplying decimal by a whole number

➡️do the sum ex 2.6(3 roman)

Hint;

extra sums

1) 12.356x100=

2) 2.35x7.67=

3) 202.72x0.001=

DIVISION OF DECIMALS

Division of decimals by a whole number

Hint;  

➡️Do the same way ex 2.7(1 roman)

Division of decimal number by 10,100,1000

Hint;

Do the same way from text book ex 2.7/2,3,4 roman sums

WHOLE NUMBERS BY A DECIMALS

HINT;

Do the same way from text book ex 2.7/5th roman

EXTRA SUMS

4)Find the average of 4.2,3.8 and 7.6(Hint; add 3 decimal numbers and divide by 3)

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WORK SHEET 3

DATA HANDLING

BAR GRAPH

Do the sums ex 3.3 in page no 73

3 and 4 sums

double bar graph

Do the sum Ex 3.3/ 5 and Eg 10 in page no 71