Mathematics
Measurement and time
Time
Educator section
Memorandum
1.
1.1 07.30
1.2 21.15
1.3 05.50
1.4 22.40
1.5 19.00
Leaner section
Content
- At what time did you go to bed last night?
Half past eight?
Eight thirty?
Twenty thirty?
Do you still remember?
60 s (seconds) = 1 min (minute)
60 min = 1 h (hour)
24 h = 1 d (day)
7 d = 1 wk (week)
365 d = 1 a (year)
366 d = 1 leap year
52 wks (approximately) = 1 a
12 months = 1 a
100 a = 1 century
Activity: to read analogue time and write 24-hour time [lo 4.1]
1. In Grades 4 and 5 you did quite a lot of work involving time. Let's see whether you are able to apply your knowledge. Write the following according to the international system of writing.
1.1 half past seven (a.m.) è _______:_______
1.2 quarter past nine (p.m.) _______:_______
1.3 ten to six (a.m.) _______:_______
1.4 twenty to eleven (p.m.) _______:_______
1.5 seven o’clock (p.m.) è _______:_______
Assessment
Learning Outcome 4: The learner will be able to use appropriate measuring units, instruments and formulae in a variety of contexts.
Assessment Standard 4.1: We know this when the reads, tells and writes analogue, digital and 24-hour time to at least the nearest minute and second.