Place Value
what 4-digit number can you see here?
3000
700
80
9
decribe what you need to do to the 3to give it's true value
do the same for 7 8 9
3x1000 =3000
7 x 100 =700
8 x 10 =80
Additive numbers
3789 the additive numbers in this number are?
3000+700+80+9 =3789
1000
2000
3000
4000
5000
6000
7000
8000
9000
10,000