If 0 is subtracted from a number we get
0
1
10
The number itself
10 - 10 =
None of these
10 - 1 =
9
8
7
9 ________ 0 = 9
+
-
both 1 and 2
5 - 0 =
5
3
There are nine people in a bus. 2 got off. How many are left in the bus?
6
11
There 10 books on a table. If 3 of them fall down. ____ books are left on the table.
13
9 - 3 =
4
8 - 5 =
6 - 6 =