# Module 4 - Unit 6: Speed, Distance and Time

## Self-Audit

For the multiple choice questions below, choose one answer, (a), (b), (c) or (d), that is CORRECT by clicking the appropriate box.
Calculators are NOT allowed unless it is indicated in the question.

## Section 6.1 - Speed

Question 1
 Jessica drives from Kingston to Montego Bay, a distance of 200 km, in 5 hours. What is her average speed for this journey? (A) 40 km/hour (B) 50 km/hour (C) 1000 km/hour (D) None of these
Question 2
 Nicky can text 450 words in 5 mins. What is her average texting speed in words per minute? (A) 45 (B) 90 (C) 5200 (D) None of these
Question 3
 Alfie can text 300 words in 5 mins. What is his average texting speed in words per second? (A) 0.5 (B) 1 (C) 2 (D) None of these
Question 4
 Shania cycles 20 miles on her bike in 2 hours 30 mins. Calculate her average speed. (A) 4 mph (B) 6 mph (C) 8 mph (D) 10 mph

## Section 6.2 - Calculating Speed, Distance and Time

Question 5
 Dawn drives at an average speed of 50 mph for a journey of 125 miles. How long does her journey take? (A) 2 hours (B) 2.5 hours (C) 3 hours (D) None of these
Question 6
 Paul cycles at an average speed of 8 mph for 2 hrs 15 mins. How far has he travelled? (A) 10 miles (B) 16 miles (C) 18 miles (D) 20 miles
Question 7
 Billy drives at an average speed of 25 mph for the first hour of his journey and then at 48 mph for the next one hour 30 mins. How far has he travelled in total? (A) 48 miles (B) 72 miles (C) 73 miles (D) 97 miles
Question 8
 A Jamaican athlete can run long distances at an average speed of 5 metres per second. How far, in km, can he run in 1 hour at this speed? (A) 14 (B) 16 (C) 18 (D) 20

## Section 6.3 - Problems with Mixed Units

Question 9
 What is 1.4 hours, written as hours and minutes? (A) 1 hr 20 mins (B) 1 hr 24 mins (C) 1 hr 40 mins (D) None of these
Question 10
 A car travels 130 km in 2 hrs 36 mins. What is the average speed of the car in km/h? (A) 40 (B) 45 (C) 50 (D) 55
Question 11
 Janice runs 1500 m in 3 minutes 48 seconds. What is her average speed in m/s, to 1 decimal place? (A) 6.0 (B) 6.2 (C) 6.5 (D) 6.6
Question 12
 A train travels at 20 m/s. How long does it take for the train to travel 50 km? Give your answer to the nearest minute. (A) 40 (B) 41 (C) 42 (D) 45

## Section 6.4 - Distance-Time Graphs

Questions 13 to 16 all refer to the Distance-Time Graph above that illustrates Jay's cycle journeys to and from the shopping mall.

Question 13
 How long, in seconds, did it take Jay to cycle to the mall? (A) 120 (B) 140 (C) 150 (D) 160
Question 14
 What distance did Jay cycle to the mall? (A) 500 m (B) 600 m (C) 700 m (D) None of these
Question 15
 How long did Jay stay at the mall? (A) 2 mins (B) 3 mins (C) 4 mins (D) None of these
Question 16
 At what speed, in m/s, did Jay cycle on his way home? (A) 4 (B) 4.5 (C) 5 (D) None of these