To find the total cost of a school trip, a teacher knows the bus costs 200 dollars and each of the 30 students pays 5 dollars for a ticket. Which information is NOT needed to find the total cost?

The cost of the bus (200 dollars).

The cost of each ticket (5 dollars).

All of this information is needed.

According to the 'word problem detective' strategy, what is the best first step when solving a word problem?

Read the question to understand what you need to find.

Use the biggest number in your first calculation.

Ignore any words and only look at the numbers.