place vaule 5X10=50 6X10 =60 7X10 =70 8X10=8O

properties

addtive

1oo

+200+2O=

1OOO

+

1320

1X10 = 10 2 X10=20

3X10=30

4X10=40

DID YOU

KNOW

!

9000 +800+90+9=9899