Answer these questions without using a calculator:
1. 349 x 25 =
2. 714 ÷ 34 =
3. There are 365 days in a year, and each day has 24 hours in it. How many hours are there in a year?
4. After a school trip, there's £532 left over. The school decides to share this out between the 38 students on the trip. How much does each student receive?
5. A cardboard box weighs 247 grams. It contains 48 smaller boxes, each weighing 127 grams. What's the total weight of the large box and its contents?