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

32.5

                                   

Multiply by 3

1941

The easiest part was write in words

The hardest part was multiply by 3

I need to work on add 20