In room 18 we have been given a problem which is 57 - 29 = ?. Here are two ways of solving it:)
Place Value
57-29=28
50-25=25
7 - 4=3
25 + 3 = 28
Equal Adjustments
57-29=28
+1 +1
58 - 30=28
Thanks for reading and please leave comment :)
