1) There are 5 airplanes at the airport. 3 more planes have landed on the same airport this afternoon. How many planes are in total? a) 4 b) 6 c) 8 2) There are 4 trucks on the road, then 3 of them disappeared. How many trucks are there on the road now? a) 2 b) 1 c) 4 3) In the ocean there are 5 boats. Later, 5 more boats appear. How many boats are there now? a) 10 b) 7 c) 5 4) There are 2 helicopters flying in the sky. Then, 5 new helicopters join the others. How many helicopters are flying in the sky now? a) 7 b) 6 c) 8 5) 10 cars wait at a gas station. A few minutes later, 5 cars leave. How many cars are there now? a) 4 b) 5 c) 7 6) Renata is playing with 5 trains. She gives 2 trains to her friend Andrea. How many train does Renata have now? a) 5 b) 1 c) 3 7) There are 10 snails, then 6 more snails come. How many snails are there in all now? a) 6 b) 13 c) 16 8) I buy 9 balls, the next day I buy 5 more, the following day I buy I buy 3 more. Hoy many balls did I buy? a) 17 b) 16 c) 15 9) Mary has 9 hot-dogs, she ate 4. How many hot-dogs does she have left? a) 4 b) 6 c) 5 10) Bill has 12 books, but 5 fell out of his backpack. How many books does he have now? a) 6 b) 7 c) 8

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