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

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7000

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9000

10,000