Fractions and Decimals Blog 9
TODAY BY THE END OF THIS BLOG you will be able to DO THREE THINGS
(I) MULTIPLY any decimal number WITH A WHOLE NUMBER
(II)MULTIPLY any decimal number by 10, 100,1000
(III)MULTIPLY any decimal number by any other given decimal number
TO BEGIN WITH......WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULTIPLICATION OF A DECIMAL WITH A WHOLE NUMBER
AFTER WATCHING THE VIDEO....IT WILL BE FUN TO DO NCERT EX 2.6
E x 2.6 DO Q 1 part (i), (ii) and (iii) RIGHT NOW as C.W on your own
KEEP CHECKING THE ANSWERS USING THE NCERT PDF BOOK SENT TO YOU
Ex 2.6 Do Q.1 ( remaining parts ) as H.W
Q.2 ( ANSWER to be copied in the note books )
AREA of a RECTANGLE = length x breadth
= 5.7 x 3 = 17.1 sq cm ( It is very important to mention the units )
PART (II) MULTIPLICATION OF DECIMAL BY 10, 100,1000
.WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULTIPLICATION OF DECIMAL BY 10,100,1000

IN YOUR NOTEBOOKS RIGHT NOW AS C.W Do part (i) , part (v) and part (xii)
KINDLY DO Q.3 (remaining parts )AS H.W
Q .4. KINDLY do Q.4 in your notebooks and check your answer as follows
In ONE litre distance travelled is 55.3 km
In 10 litres distance travelled is 55.3 km x 10 = 553 km
PART (III) MULTIPLICATION OF A DECIMAL BY ANY DECIMAL
.WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULPLICATION OF DECIMAL BY ANY DECIMAL

Q .5 part (i) to part (vii) AS H.W
Q.5 (viii) 10 • 05 X 1• 05
0 0 0 0 X
1 0 0 5 X X
1 0 5 5 2 5 ←←←← 2+2 =4 DECIMAL PLACES
ANS 10 • 5 5 2 5
Q.5 (ix) 10 1 • 01 X • 01
0 0 0 0 0 X
1 0 1 0 1 ←←←← 2+2 =4 DECIMAL PLACES
ANS 1 • 0 1 0 1
Q.5 (x) 10 1• 01 X 1 • 1
1 0 1 0 1 X
1 1 1 1 1 1 ←←←← 2+1 =3 DECIMAL PLACES
ANS 1 1 1 • 1 1 1
(I) MULTIPLY any decimal number WITH A WHOLE NUMBER
(II)MULTIPLY any decimal number by 10, 100,1000
(III)MULTIPLY any decimal number by any other given decimal number
TO BEGIN WITH......WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULTIPLICATION OF A DECIMAL WITH A WHOLE NUMBER
AFTER WATCHING THE VIDEO....IT WILL BE FUN TO DO NCERT EX 2.6
E x 2.6 DO Q 1 part (i), (ii) and (iii) RIGHT NOW as C.W on your own
KEEP CHECKING THE ANSWERS USING THE NCERT PDF BOOK SENT TO YOU
Ex 2.6 Do Q.1 ( remaining parts ) as H.W
Q.2 ( ANSWER to be copied in the note books )
AREA of a RECTANGLE = length x breadth
= 5.7 x 3 = 17.1 sq cm ( It is very important to mention the units )
PART (II) MULTIPLICATION OF DECIMAL BY 10, 100,1000
.WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULTIPLICATION OF DECIMAL BY 10,100,1000

IN YOUR NOTEBOOKS RIGHT NOW AS C.W Do part (i) , part (v) and part (xii)
KINDLY DO Q.3 (remaining parts )AS H.W
Q .4. KINDLY do Q.4 in your notebooks and check your answer as follows
In ONE litre distance travelled is 55.3 km
In 10 litres distance travelled is 55.3 km x 10 = 553 km
PART (III) MULTIPLICATION OF A DECIMAL BY ANY DECIMAL
.WATCH THE VIDEO ⇓ ⇓ ⇓ ⇓
VIDEO ON MULPLICATION OF DECIMAL BY ANY DECIMAL

Q .5 part (i) to part (vii) AS H.W
Q.5 (viii) 10 • 05 X 1• 05
try the answer in rough and check
1 0 0 1 ←← 2 DECIMAL PLACES
x 1 0 5 ←← 2 DECIMAL PLACES
5 0 2 50 0 0 0 X
1 0 0 5 X X
1 0 5 5 2 5 ←←←← 2+2 =4 DECIMAL PLACES
ANS 10 • 5 5 2 5
Q.5 (ix) 10 1 • 01 X • 01
try the answer in rough and check
1 0 1 0 1 ←← 2 DECIMAL PLACES
x 0 1 ←← 2 DECIMAL PLACES
1 0 1 0 10 0 0 0 0 X
1 0 1 0 1 ←←←← 2+2 =4 DECIMAL PLACES
ANS 1 • 0 1 0 1
Q.5 (x) 10 1• 01 X 1 • 1
try the answer in rough and check
1 0 1 0 1 ←← 2 DECIMAL PLACES
x 1 1 ←← 1 DECIMAL PLACES
1 0 1 0 11 0 1 0 1 X
1 1 1 1 1 1 ←←←← 2+1 =3 DECIMAL PLACES
ANS 1 1 1 • 1 1 1
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