Today’s Number:
3,604
Write it in words
three thousand and four
Write it as an expanded number
(hundreds, tens, ones)
3000+600+0+4
Add 100
4,604
Subtract 100
2,604
Make it to a tidy number
(eg. 173 + 7 = 180)
3,064+4=3,070
Double it
7,208
Halve it
1802
Multiply by 5
18020