Cycle 2

15 – 2 = 13. Fifteen minus two equals (makes) thirteen.

13 + 5 = 18. Thirteen plus five equals (makes) eighteen.

At the end of the day the pet owner has 18 kittens

Cycle 3

5 x 6 = 30. Five times six equals (makes) thirty. For the 5 friends who want to eat 6 pieces of pizza, there is a total of 30 pieces.

For 1 pizza there are 8 pieces.

4 x 8 = 32. Four times eight equals (makes) thirty-two. With 4 pizzas, there are 32 pieces.

The friends need 4 pizzas (30 pieces and there are 2 pieces left.)