number lines
count up on the number line
52-46=
6
654-213
441
show using a bar model
237-126=
111
507-158
349
count up on the number line
33-29=
4
673-82
591
show using a bar model
232-118=
114
300-216
84
count up on the number line
88-79=
9
345-116
229
show using a bar model
532-____=319
213
404-125
279
count up on the number line
40-29=
11
129-113
16
show using a bar model
436-____=217
219
200-155
45