Adding within 100
64 + 13 =
77
46 - 25 =
21
141 + 56 =
197
124
Mrs. Wise has 18 students. Dr. Brown has 18 students. Miss Sermersheim has 17 Students. How many students are in 2nd grade?
18 + 18 + 17 = 53. There are 53 students in 2nd grade.
52 + 31 =
83
53 - 21 =
32
120 + 59 =
179
149 - 28 =
121
Yesterday, Miss Sermersheim had 100 coyote cards. If she gave out 32, how many coyote cards did she have left?
100 - 32 = 68. She has 68 coyote cards left.
29 + 46 =
75
85 - 47 =
38
146 + 28 =
174
182 - 91 =
91
If there are 174 days of school and today is the 127th day of school, how many more days of school do we have left?
174 - 127 = 47. There are 47 days of school left.
28 + 36 =
64
90 - 77 =
13
128 + 67 =
195
163 - 78 =
85
On the playground there are 50 students playing. 12 students went to the nurse. 8 students went home early. How many students are still on the playground?
50 - 12 = 38, 38 - 8 = 30. There are 30 students still on the playground.
87 + 13 =
100
100 - 32 =
68
117 + 83
200
200 - 69 =
131
Southwest school has 100 cameras. If 22 of the cameras broke and 14 got fixed, how many cameras still work?
100 - 22 = 78, 78 + 14 = 92. 92 cameras still work.