# Time Distance Speed www mathsrevision com Level 4

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Time Distance Speed www. mathsrevision. com Level 4+ Calculating Distance Calculating Speed and Time, Distance and Speed Problems Converting Hour Minutes to Decimal Time Converting Decimal Time to Hour Minutes Time – Distance Graphs 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 4 x 6 x 4 x 120 70 05 -Dec-20 Created by Mr. Lafferty Maths Dept. o o

Distance Working Out Distance www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning how to work out simple distance. 1. Understand the distance formula. 2. Apply the formula to calculate simple distance. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Distance Working out Distances www. mathsrevision. com Level 4+ Imagine you were travelling in a train at a steady speed of 80 km/hr. In 1 hour you travel : 80 x 1 = 80 km In 2 hours you travel : 80 x 2 = 160 km In 3 hours you travel : 80 x 3 = 240 km Can you guess what the formula is : in symbols 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Basic Fractional Hours www. mathsrevision. com You should already know : 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Distance Remember times need to be consistent !! Example : A racing car travelled at 50 km/hr. What is the distance covered in 6 hours ? Working 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Distance Working Out Distance www. mathsrevision. com Level 4+ Now try TJ 4+ Ex 14. 1 Ch 14 (page 101) 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Speed Working Out Speed www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning how to calculate simple speed and time. 1. Understand the speed and Time formulae. 2. Apply the formula to calculate simple speed and Time problems. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Speed Working Out Speed www. mathsrevision. com Level 4+ Imagine you sailed 45 kilometres between two islands and it took 3 hours. In 3 hours you travel : = 45 km In 1 hour you travel : 45 ÷ 3 = 15 km This means your speed is : 15 km/hr Can you guess what the formula is : in symbols 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Speed Level Num. F www. mathsrevision. com Example : Sean flies to Majorca on holiday , a distance of 2500 km. It took 4 hrs to get there. What was the plane’s average speed? Working 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com S 3 Credit Example : Liam drove from his house to the Fort William, a distance of 180 miles. It took him 3 hrs. What was his average speed? Working 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Working Out Time www. mathsrevision. com Level 4+ Imagine you flew 800 miles to Paris and the average speed of the plane was 200 miles/hr. To travel 200 miles takes 1 hour : To travel 800 miles takes : 800 ÷ 200 = 4 hours Can you guess what the formula is : in symbols 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Time Ex : Tony ran 400 metres at an average speed of 5 m/s. How long did he take to complete the race. Working 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Working Out Time www. mathsrevision. com Level 4+ Now try TJ 4+ Ex 14. 2 Ch 14 (page 102) 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning the triangle method for remembering the distance, speed and time formulae. 05 -Dec-20 1. Remember triangle method for distance, speed time problems. 2. Apply triangle method to mixed problems. Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com Level 4+ D=S T D S T Simple way to remember the 3 formulae ! 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time MUST be in hours format Time Distance Speed Level 4+ Mixed Problems www. mathsrevision. com Example 1 : Daniel drove from his house to the Blackpool, a distance of 135 miles. It took him 2 hrs 15 mins. What was his average speed? Working D 05 -Dec-20 Created by Mr. Lafferty Maths Dept. S T

Time Distance Speed Mixed Problems Level 4+ www. mathsrevision. com Example 2 : A train travelled at an average of 70 km/hr. What is the distance covered in 6 hour and 30 mins ? Working D 05 -Dec-20 Created by Mr. Lafferty Maths Dept. S T

Time Distance Speed Mixed Problems Level 4+ www. mathsrevision. com Example 1 : How long did the bus journey take if it travelled a total distance of 60 km at an average speed of 40 km/hr. Working D S T 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

An overnight train left London at 2040 and reached Inverness at 0810 the next day. The distance travelled by the train was 552 miles. Calculate the average speed of the train. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Ali drove overnight 406 miles from Galashiels to Portsmouth to catch a ferry to France. His average speed for the journey was 56 miles per hour. He arrived in Portsmouth at 0630. At what time did he leave Galashiels? 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

(a) An inter-city coach left Aberdeen at 10. 40 am and reached Inverness at 1. 25 pm. How long did the journey take? (b) The average speed of the coach during the journey was 40 miles per hour. Find the distance between Aberdeen and Inverness. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com Level 4+ Now try TJ 4+ Ex 14. 3 Ch 14 (page 103) 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Hrs Mins to Decimal Time www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning how to convert hours and minutes to decimal time. 1. Remember that decimal time MUST be used in formulae. 2. Convert from hours and mins to decimal time. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Hrs Mins to Decimal Time www. mathsrevision. com Level 4+ You should already know : Example 1 : 48 minutes to decimal is = 0. 8 hr Example 2 : 2 hr 15 minutes to decimal is = 2. 25 hr To change minutes to a decimal ‘divide by 60’ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time www. mathsrevision. com Level 4+ Calculate the decimal hour value for minutes below. Convert 9 hrs 45 mins into hours 9. 75 hrs Convert 7 hrs 15 mins into hours 7. 25 hrs Convert 6 hrs 30 mins into hours 6. 5 hrs 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Hrs Mins to Decimal Time Level 4+ www. mathsrevision. com Try and remember the more common decimal hours 6 mins 12 mins 18 mins 24 mins 30 mins 36 mins 42 mins 48 mins 54 mins 05 -Dec-20 → → → → → 0. 1 hrs 0. 2 hrs 0. 3 hrs 0. 4 hrs 0. 5 hrs 0. 6 hrs 0. 7 hrs 0. 8 hrs 0. 9 hrs Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Hrs Mins to Decimal Time Level 4+ www. mathsrevision. com Calculate the decimal hour value for minutes below. 0. 7 hrs 0. 3 hrs 0. 6 hrs 0. 5 hrs 0. 2 hrs 0. 1 hrs 0. 4 hrs 0. 9 hrs 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com Ex : A bus travels from Glasgow to London a distance of 556. 8 km. It took 9 hours and 36 minutes. What was the average speed of the bus ? Working D S T 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems www. mathsrevision. com Example : A train travelled at 70 km/hr for 2 hrs 54 mins. How far did it travel in this time. Working D 05 -Dec-20 Created by Mr. Lafferty Maths Dept. S T

Time Distance Speed Converting Hrs Mins to Decimal Times www. mathsrevision. com Level 4+ Now try TJ 4+ Ex 14. 4 Ch 14 (page 104) 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Decimal Time to Hrs Mins www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning how to convert back from decimal time to hours and minutes. 05 -Dec-20 1. Apply the rule for converting back from decimal time to hours and mins. Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Decimal Time to Hrs Mins www. mathsrevision. com Level 4+ You should already know : To change minutes to a decimal time ‘divide by 60’ To convert back to and minutes we do the opposite : To change decimal time to minutes ‘multiply by 60’ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Decimal Time to Hrs Mins www. mathsrevision. com Level 4+ To change decimal time to minutes ‘multiply by 60’ Example 1 : 0. 7 hrs to minutes is Example 2 : 3. 4 hrs to hours and minutes is = 3 hrs 24 mins 05 -Dec-20 Created by Mr. Lafferty Maths Dept. = 42 mins

Decimal Time to Hrs Mins Level 4+ www. mathsrevision. com Calculate the hours and minutes for theses decimal hours 3 hrs 30 mins 4 hr 15 mins 6 hrs 45 mins 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Hrs Mins to Decimal Time Converting Decimal Time to Hrs Mins Level 4+ www. mathsrevision. com Calculate the hours and minutes for theses decimal hours 4 hrs 42 mins 1 hr 48 mins 4 hrs 36 mins 1 hr 24 mins 3 hrs 18 mins 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Mixed Problems Level 4+ www. mathsrevision. com Ex : An aeroplane flies between Glasgow and New York. The distance between the two cities is 3200 miles. The average speed of the plane is 500 mph. How long did the journey take? Working D S T 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Speed Converting Decimal Time to Hrs Mins www. mathsrevision. com Level 4+ Now try TJ 4+ Ex 14. 5 Ch 14 (page 105) 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Time Distance Graph Interpreting Time – Distance Graphs www. mathsrevision. com Level 4+ Learning Intention Success Criteria 1. We are learning to interpret Time – Distance Graphs. 05 -Dec-20 1. Understand the term interpret. 2. Understand that the speed can be calculated from the Time - Distance Graph. Created by Mr. Lafferty Maths Dept.

Time Distance Graph Interpreting Time – Distance Graphs www. mathsrevision. com Level 4+ 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Andrea leaves home in Perth at 7 am and drives 40 miles to Edinburgh Airport where she then catches a flight to Dublin. Her journey is shown on the graph. (a) How long does she spend waiting at Edinburgh Airport? (b) Calculate the average speed of her flight from Edinburgh to Dublin. 05 -Dec-20 Created by Mr. Lafferty Maths Dept.

Have you updated your Learning Log ? www. mathsrevision. com Mixed Questions Now try TJ 4+ Ex 14. 6 Ch 14 (page 107) Are you on Target ? I can ? Mind Map 05 -Dec-20 Created by Mr. Lafferty Maths Dept.