Check the meaning of the words in the box. Then read the equations and answer questions 1-2 (Kiểm tra nghĩa của các từ trong hộp. Sau đó đọc phương trình và trả lời câu hỏi 1-2)

Distance (n) khoảng cách

Time (n) thời gian

Average speed (n) tốc độ trung bình

Calculate (v) tính toán

Equation (n) phương trình

Câu hỏi:

1. Look again at the table in exercise 1. Calculate the average speed of Gomez, Jones and O'Hara in m/s.

2. Now calculate the average speed of all the swimmers in km/h.

Read the text and answer the questions 1-4 (Đọc văn bản và trả lời câu hỏi 1-4)

In the 200m freestyle, swimmers must swim four lengths of the pool. The pool is 50m long. The table below shows the time that it took four swimmers to complete each length.

Read the sentences and find each average speed in km/h. (Đọc các câu và tìm tốc độ trung bình của mỗi km / h.)

1. In 2014 Dennis Kimetto completed the Berlin Marathon in 2 hours, 2 minutes and 57 seconds (2.05 hours). The marathon was 42.19 kilometres.

2. In 2014 Dame Sarah Storey completed the 3 kilometre para-cycling track race in 3 hours 32 minutes and 5 seconds (3.54 hours).

3. In 2015, Lewis Hamilton drove one lap (5.3 kilometres) in the Australian Grand Prix in 1 minute, 30 seconds.

4. In 2014 Sarah Sjöström swam the 50m butterfly in 24.43 seconds.