Weekly number challenge

Today’s Number:

672

Write it in words

six hundred and seventy two

Write it as an expanded number

600+70+2

Add 3

675

Add 20

692

Subtract 5

                                                 667

Double

1344                           

Half of it

336

                                   

Multiply by 3

2016

The easiest part was                     

expanding

The hardest part was

Multiplying

I need to work on

doubling