Lexi
^{5}6^{1}3
5
– 4 8 2
1 5 3
Lexi
says, "First I subtracted 2 from 5 and got 3. Then I couldn't subtract 8
from 3, so I borrowed. I crossed out the 6, wrote a 5, then put a 1 next
to the 3. Now it's 13 minus 8 is 5. And then 5 minus 4 is 1, so my answer
is 153."

Ariana
635
– 400 =
235
235
– 30 =
205
205
– 50 =
155
155
– 2
= 153
482
Ariana
says, "First I subtracted 400 and got 235. Then I subtracted 30 and got 205,
and I subtracted 50 more and got 155. I needed to subtract 2 more and
ended up with 153."
