A teacher has 20 crayons and gives an equal number to each of her 5 students. Which question does the equation $20 \div 5 = 4$ answer in this situation?

How many crayons does each student get?

How many groups of 5 crayons can be made?

How many crayons are there in total?

A baker has 30 cupcakes and wants to put them into boxes. Each box holds 3 cupcakes. What does the '10' represent in the equation $30 \div 3 = 10$?

The number of cupcakes in each box.

The number of cupcakes left over.

Liam has 15 toy cars and puts 3 cars in each box. How many boxes does he use?

Mia has 15 toy cars and shares them equally among 3 friends. How many cars does each friend get?

Sam has 15 toy cars and buys 3 more. How many cars does he have now?

Ava has 15 toy cars and gives 3 away. How many cars are left?