Subtraction 1
11-9=
2
12-8=
4
There were 7 blue birds and some red birds sitting on a branch. There were 12 birds in all. How many red birds were on the branch?
There were 5 red birds on the branch.
14
1 ten and 4 ones
9+4=
13
13-9=
4
14-8=
6
15 frogs sat on a log. 9 frogs jumped into the water. How many frogs were left on the log?
6 frogs were left on the log.
16
1 ten and 6 ones
8+7=
15
15-9=
6
15-8=
7
I have 14 bags of candy left from my party. I have some bags of Skittles and 8 bags of M&M's. How many bags of Skittles are left?
There are 6 bags of Skittles left.
18
1 ten and 8 ones
12+5=
17
17-9=
8
16-8=
8
I saw 6 brown bunnies in the yard. I also saw some white bunnies. In all, I saw 11 bunnies. How many white bunnies were in the yard?
There are 5 white bunnies in the yard.
17
1 ten and 7 ones
16+7=
23
18-9=
9
17-8=
9
12 insects climbed on the leaves. 4 of the insects were ladybugs and the rest were blue beetles. How many were blue beetles?
There are 8 blue beetles.
19
1 ten and 9 ones
17+6=
23