Math Quiz- Word Problems

Doren gets 10 bars of chocolate in a party. When he gets home, Dad gives him 5 more. How many does Doren have now?

I have 10 crayons and I give Doren 4 crayons. Now I'm left with 6 crayons. True/False

There are 7 girls and 8 boys in the class. How many students are in all are in the class?

There are 7 flowers in the garden, Doren plucked 2 in order to give his mum. How many flowers are left in the garden?