83 + 16 =
43 + 25 =
72 + 14 =
36 + 20 =
83 + 39=
86 + 34=
75 + 39=
76 + 45=
124 + 231 =
278 + 411=
432 + 356 =
365 + 234 =
432 + 259 =
347 + 261 =
652 + 174 =
518 + 377 =
78 - 34 =
57 - 33 =
45 - 20 =
94 - 42 =
64 - 27 =
38 - 19 =
67 - 48 =
95 - 27 =
675 - 432 =
322 - 111 =
745 - 324 =
643 - 221=
232 - 151 =
435 - 253 =
632 - 241 =
521 - 313 =
Have your student choose one problem from each of the section to work on. Ask questions such as: What is the value if that digit? How did you get that answer?