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Created by Mr.Lafferty Maths Dept
Time NAT 3 Analogue Time / Converting Time Converting Time 12 24 hrs Counting Method Interpreting Tables 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Starter Questions NAT 3 Q1. Calculate Q2. Round to 1 decimal place 2.354 Q3. How many minutes in 1 hour Q4. The answer to the question is 10. What is the question. 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Analogue Time NAT 3 NAT 3 Learning Intention Success Criteria We are learning 12 hour clock. To be able to write down times in 12 hour clock using AM and PM. 2. Work with time in context. 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Analogue Time NAT 3 12 hour clock Analogue clock ALWAYS use AM or PM Hours 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Time NAT 3 Now try Exercise 1 Ch11 (page 123) 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Starter Questions NAT 3 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Converting Time NAT 3 NAT 3 Learning Intention Success Criteria To explain how to convert between 12 and 24 hour clock and vice versa. Change from 12 to 24 hour clock. 2. Change from 24 to 12 hour clock. 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Converting Time NAT 3 Key Points pm times add on 12 12 hour clock 24 hour clock Analogue clock Digital clock ALWAYS use AM or PM ALWAYS 4 digits Hours NEVER use AM or PM greater than 12 subtract 12 Hours 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 11 pm 10 pm 9 pm 8 pm 7 pm 6 pm 5 pm 4 pm 3 pm 2 pm 1 pm midday 1100 1000 0900 0800 0700 0600 0500 0400 0300 0200 0100 0000 11 am 10 am 9 am 8 am 7 am 6 am 5am 4 am 3 am 2 am 1 am midnight 12Hour to 24 Hour Clock To go from 12 hour clock to 24 hour clock just add 12 to the pm hours: Examples 8 pm becomes 9 pm becomes 6:30 pm becomes 11:30 pm becomes 4:20 pm becomes 3:10 pm becomes 2000 2100 1830 2330 1620 1510 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
2300 2200 2100 2000 1900 1800 1700 1600 1500 1400 1300 1200 11 pm 10 pm 9 pm 8 pm 7 pm 6 pm 5 pm 4 pm 3 pm 2 pm 1 pm midday 1100 1000 0900 0800 0700 0600 0500 0400 0300 0200 0100 0000 11 am 10 am 9 am 8 am 7 am 6 am 5am 4 am 3 am 2 am 1 am midnight 24 Hour to 12 Hour Clock To go from 24 hour clock to 12 hour clock just subtract 12 from the hours if it is greater than 12: Examples 2000 becomes 2100 becomes 1730 becomes 2208 becomes 2006 becomes 1350 becomes 8 pm 9 pm 5:30 pm 10:08 pm 8:06 pm 1:50 pm 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Time NAT 3 Now try Exercise 2 Ch11 (page 124) Q1 – Q4 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Starter Questions NAT 3 P Q R 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Counting Method NAT 3 Learning Intention Success Criteria To explain the counting method to find the difference between two times. 1. Understand the counting method. 2. Find time differences between two times, showing all working. 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Counting Method NAT 3 When working out time difference we will use the Counting Method. This method will always work. Example : Find the time difference between 08 40 hrs and hrs Hrs Mins nearest hour hours What’s left 20 2 08 40 09 00 11 00 11 10 + 10 20 mins 2 hrs 10 mins 2 30 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
But there are 60 minutes = 1hour 70 mins = 1hr 10mins Counting Method NAT 3 A bus leaves Kirkintilloch Main Street at hrs and arrives in Aberdeen at hrs. How long was the journey. nearest hour hours What’s left Hrs Mins 20 14 40 15 00 18 00 18 50 3 20 mins 3 hrs 50 mins + 50 3 70 4hrs 10 mins 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Counting Method + Let’s make up our own question !
But there are 60 minutes = 1hour Counting Method NAT 3 Let’s make up our own question ! The key steps are left on the slide to help you. nearest hour hours What’s left Hrs Mins mins hrs mins + 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Counting Method NAT 3 Now try Ex 11.2 Ch11 (page 124) Q5 to Q10 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr.Lafferty Maths Dept
Timetables NAT 3 Learning Intention Success Criteria We are learning about timetables. 1. Be able to interpret different timetables. 2. Be able to solve basic question involving time calculations. 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Using Timetables 2314 2302 2254 2248 2243 2237 2225 2214 2202 2154 2148 2143 2137 2125 2114 2102 2054 2048 2043 2037 2025 Until Hour Every And 1114 1102 1054 1048 1043 1037 1025 1014 1002 0954 0948 0943 0937 0925 0914 0902 0854 0848 0843 0837 0825 Glasgow Bus Station George Square Port Dundas Springburn Milton Bishopbriggs Kirkie Bus Station * * How long does the first bus take from Kirkie to Glasgow. nearest hour Hrs Mins hours What’s left 35 35 08 25 09 00 09 00 09 14 35 mins 0 hrs 14 mins + 14 14 49
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Created by Mr. Lafferty Maths Dept.
22-Feb-19 Created by Mr. Lafferty Maths Dept.
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Created by Mr. Lafferty Maths Dept.
22-Feb-19 Created by Mr. Lafferty Maths Dept.
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Created by Mr.Lafferty Maths Dept
Timetables NAT 3 Now try Ex 11.3 Ch11 (page 127) 22-Feb-19 Created by Mr.Lafferty Maths Dept
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Created by Mr. Lafferty Maths Dept.
Interpreting Graphs Learning Intention Success Criteria 1. We are learning to interpret tables. Be able to calculate the best deal from a table of information . 22-Feb-19 Created by Mr. Lafferty Maths Dept.
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John has savings of £4500 , which bank would pay the most interest ?
Bank C Bill has savings of £1200 , which bank should he choose ? Bank D Victor has savings of £7400 , how can he maximise his money ? Bank A
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Alessio is looking for a mobile phone contract which will give him
165 minutes of calls, 450 texts, and 745 Mb of internet use. Which company’s plan would be best for him? Company B Hannah is looking for a mobile phone contract which will give her 195 minutes of calls, 350 texts, and 850 Mb of internet use. Which company’s plan would be best for her? Company C
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Ready Reckoner Making calculations easier ! How much for (a) 6 rolls
Filled Rolls Price 1 50p 2 90p 4 £1.70 5 £2.00 10 £4.00 20 £9.00 50 £18.00 How much for (a) 6 rolls £ p = £2.50 St. Andrew’s Secondary (b) 14 rolls £ £1.70 = £5.70 (c) 65 rolls £18 + £4 + £2 = £24 22-Feb-19 Compiled by Mr. Lafferty Maths Dept.
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Interpreting Graphs Now try Ex 11.4 Ch11 (page 129)
Have you updated your Learning Log ? Interpreting Graphs Now try Ex 11.4 Ch11 (page 129) 22-Feb-19 Created by Mr. Lafferty Maths Dept.
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