Subtraction WITHOUT regrouping
28 - 17 =
11
26 - 18 =
8
There are 28 blue and red marbles altogether in a bag. 13 are red. How many are blue?
15
53 - 23 =
30
33 - 15 =
18
There are 45 marbles in a bag that are either blue or red. 22 of the marbles are blue. How many are red?
23
87 - 24 =
63
50 - 36 =
14
85 trees are in a forest. 38 are cut down. How many trees are left?
47
137 - 36 =
101
83 - 48 =
35
You have $80. Your bill is $68. How much money do you have left after paying your bill?
12
186 - 44 =
142
140 - 27 =
113
You make 150 cookies for a bake sale. 38 of them fell on the floor accidently. How many cookies are safe to use for the bake sale?
112