Subtraction
5-3=?
5-3=2
27 -14 =?
no 27 -14= 13
45 -21= ?
45 -21= 34
25-11=?
25-11= 14
7-4=?
7-4=3
56 -29= ?
yes 56 -29=?
50 -26 =?
50 -26 = 24
72 -41=?
72-41= 31
9-8=?
9-8=1
57 -14=?
no 57-14= 43
90 - 11=?
90 - 11 = 79
85-81=?
85-81=4
There were 66 students at the assembly. Then, 23 got up and sang a song. How many students were left in the audience?
66 - 23 = 43 There were 43 students in the audience.
12-10=?
12-10=2
84 -37=?
yes 843 -370 ------- 473
88 -88= ?
88 -88 = 0
33-11=?
33-11=22
There are 72 chickens in the coop. Only 49 of them laid eggs. How many chickens did not lay an egg?
72 - 49 =23 There were 23 chickens that did not lay an egg.
15-8=?
15-8=7
79-43=?
no 79-43=46
79 -26 = ?
79 -26 =53
45-21=?
45-21=24
Mrs. Whitney had 25 students and 15 of them had dogs. How many did not have dogs?
25-10=15 students do not have dogs