Adding
7+4
11
9-4=
5
10 snakes lay on a rock in the sun. 4 more snakes slithered onto the rock. How many snakes were on the rock?
10+4=14
8+4=
12
8-3=
10 frogs sit on a log. 6 more frogs jump onto the log. How many frogs are on the log?
10+6=16
6+9=
15
12-9=
3
13 bats hang upside down in a cave. 4 more bats fly into the cave. How many bats are in the cave?
13+4=17
13+12=
25
21-11=
10
14 ducks are swimming on the pond. 6 more ducks join them. How many ducks are on the pond?
14+6=20
14+12=
26
25-10=
15
The children build 6 snowmen in the park before lunch. After lunch they build 5 more snowmen. How many snowmen are in the park?
6+5=11