Weekly number challenge

Today’s Number:

647

Write it in words

six hundred and forty seven  

Write it as an expanded number

600 + 40 + 7

Add 3

650

Add 20

667

Subtract 5

                                                  642

Double it

                                                   1294

Half of it

323.5

                                   

Multiply by 3

1941

The easiest part was writing it

The hardest part was multiplying by three

I need to work on multiplying faster