OPERATIONS
NUMERATION
MIX
DECIMALS
100

(in 10 seconds)

98 x 11=


1078

100

decompose this number 123,458

100,000+20,000+3,000+400+50+8

100

3480 X 1000

3480000

100

326+18.3

344.3

200

45978 x 12=

551ยด736

200

FIND THE AREA OF THE SQUARE 

HEIGHT-  72,5 CM

BASE-  8,32 CM

72,5 X 8,32=603,200

300

5+(20+1):1-(8x3)-5

7

300

NUMERATION THE SMALLEST TO THR BIGGEST


534.4    534.409   534.300   534.050   534.600

534.050<534.300<534.4<534.409<534.600

300

30x5-(100-78):100+500:4=?

274.78

300

PUT IN ORDER FROM SMALLEST TO BIGGEST 

82,50    33,82    82,53   73,7775     73,7777    33,88

111,2   0,98

0,98<33,82<33,88<73,7775<73,7777<82,50<82,53<111,2

400

950+(78:39)+65

1143

400

in leters 

36 604 078

thirty six millions six hundred and four thousand and seventy eight