Today’s Number:
21.73
Write it in words
twenty one point seventy three
Write it as an expanded number
(hundreds, tens, ones, tenths, hundredths)
20 + 1 + .70 + .03
Add 0.10
21.83
Subtract 0.10
21.63
Make it to a tidy number
(eg. 17.3 + 0.7 = 18.0)
21.73 + .27 = 22.0
Double it
43.46