PPT: Fun with Numbers | Mathematics for Class 2 (Joyful-Mathematics) PDF Download

 Page 1


Fun with
Numbers
Page 2


Fun with
Numbers
What are Numbers?
A n u m b e r i s a v a l u e u s e d f o r c o u n t i n g a n d c a l c u l a t i n g .
N u m b e r s c a n b e s h o w n i n d i f f e r e n t w a y s : a s w o r d s ( o n e ,
t w o , t h r e e ) o r f i g u r e s ( l i k e 1 , 2 , 3 ) .
Page 3


Fun with
Numbers
What are Numbers?
A n u m b e r i s a v a l u e u s e d f o r c o u n t i n g a n d c a l c u l a t i n g .
N u m b e r s c a n b e s h o w n i n d i f f e r e n t w a y s : a s w o r d s ( o n e ,
t w o , t h r e e ) o r f i g u r e s ( l i k e 1 , 2 , 3 ) .
What are Numbers?
T h e r e a r e d i f f e r e n t k i n d s o f n u m b e r s b a s e d o n h o w m a n y
d i g i t s t h e y h a v e .
S i n g l e - d i g i t n u m b e r s h a v e o n l y o n e d i g i t , l i k e 1 , 2 , 3 , a n d
s o o n .
T w o - d i g i t n u m b e r s h a v e t w o d i g i t s , l i k e 1 0 , 2 5 , 9 9 , a n d
s o o n .
T h r e e - d i g i t n u m b e r s h a v e t h r e e d i g i t s , l i k e 1 0 0 , 3 4 5 ,
8 9 7 , a n d s o o n .
Page 4


Fun with
Numbers
What are Numbers?
A n u m b e r i s a v a l u e u s e d f o r c o u n t i n g a n d c a l c u l a t i n g .
N u m b e r s c a n b e s h o w n i n d i f f e r e n t w a y s : a s w o r d s ( o n e ,
t w o , t h r e e ) o r f i g u r e s ( l i k e 1 , 2 , 3 ) .
What are Numbers?
T h e r e a r e d i f f e r e n t k i n d s o f n u m b e r s b a s e d o n h o w m a n y
d i g i t s t h e y h a v e .
S i n g l e - d i g i t n u m b e r s h a v e o n l y o n e d i g i t , l i k e 1 , 2 , 3 , a n d
s o o n .
T w o - d i g i t n u m b e r s h a v e t w o d i g i t s , l i k e 1 0 , 2 5 , 9 9 , a n d
s o o n .
T h r e e - d i g i t n u m b e r s h a v e t h r e e d i g i t s , l i k e 1 0 0 , 3 4 5 ,
8 9 7 , a n d s o o n .
N o w s t u d e n t s , c a n y o u c o u n t h o w m a n y f l o w e r s
t h e r e a r e ?
B y c o u n t i n g t h e s e , w e c a n s e e t h a t t h e r e a r e a t o t a l
o f 3 6 f l o w e r s .
Page 5


Fun with
Numbers
What are Numbers?
A n u m b e r i s a v a l u e u s e d f o r c o u n t i n g a n d c a l c u l a t i n g .
N u m b e r s c a n b e s h o w n i n d i f f e r e n t w a y s : a s w o r d s ( o n e ,
t w o , t h r e e ) o r f i g u r e s ( l i k e 1 , 2 , 3 ) .
What are Numbers?
T h e r e a r e d i f f e r e n t k i n d s o f n u m b e r s b a s e d o n h o w m a n y
d i g i t s t h e y h a v e .
S i n g l e - d i g i t n u m b e r s h a v e o n l y o n e d i g i t , l i k e 1 , 2 , 3 , a n d
s o o n .
T w o - d i g i t n u m b e r s h a v e t w o d i g i t s , l i k e 1 0 , 2 5 , 9 9 , a n d
s o o n .
T h r e e - d i g i t n u m b e r s h a v e t h r e e d i g i t s , l i k e 1 0 0 , 3 4 5 ,
8 9 7 , a n d s o o n .
N o w s t u d e n t s , c a n y o u c o u n t h o w m a n y f l o w e r s
t h e r e a r e ?
B y c o u n t i n g t h e s e , w e c a n s e e t h a t t h e r e a r e a t o t a l
o f 3 6 f l o w e r s .
O n c e u p o n a t i m e , t h e r e w a s a l i t t l e k a n g a r o o n a m e d S k i p w h o l o v e d
c o u n t i n g . B u t r e g u l a r c o u n t i n g b o r e d h i m . S o , h e i n v e n t e d s t e p
c o u n t i n g ! 
Step Counting