Calculations Involving Time
Gbogbo ọrọ náà
Time is the one quantity that refuses to work in tens. Sixty seconds in a minute, sixty minutes in an hour, twenty-four hours in a day: this base of sixty trips up anyone who treats a clock like a decimal number. Getting time arithmetic right is essential for timetables, schedules and any problem set in the real world.
In this lesson you will calculate with units of time, convert between the 12-hour and 24-hour clock, and read timetables to work out durations and arrival times. The key idea throughout is that time is counted in sixties, not tens, so a decimal answer must be read with care.
Ebumnobi
- Calculate with units of time and read clocks and timetables, including the 12-hour and 24-hour clock.
Nkuzi Olu
Gee ntị na nkuzi a na ngwa
Maapụ uche
E seela isiokwu a ka ị hụ otu echiche si ejikọta.
Mepee maapụ uche na ngwa
Kaadị ncheta
Omume ncheta ngwa ngwa n'ihe a na-anwale n'isiokwu a.
Mee omume kaadị ndị a na ngwa
Akwụkwọ Ọmụmụ
Ndetu Nkuzi Zuru Ezu di na Ngwa Green Bridge
Nweta ngwa Green Bridge CBT na ekwenti gi ma o bu kompiuta maka ulo akwukwo IGCSE zuru oke: akwukwo ule ndi gara aga, usoro nyocha, eserese uche, kaadi omumu na nkuzi olu.
Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Calculations Involving Time. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- Write 7:45 pm in 24-hour form. A. 07:45 B. 17:45 C. 19:45 D. 19:75 Answer: C
- A train leaves at 14:35 and arrives at 16:10. How long is the journey? A. 1 h 25 min B. 1 h 35 min C. 2 h 35 min D. 1 h 45 min Answer: B
- How many minutes are there in 2.5 hours? A. 125 B. 150 C. 25 D. 250 Answer: B
- Write 1 hour 45 minutes as a decimal number of hours. A. 1.45 B. 1.75 C. 1.45 h exactly D. 1.4 Answer: B
- Write 06:20 in 12-hour form. A. 6:20 am B. 6:20 pm C. 18:20 D. 6:20 Answer: A
Rue ajuju ndi a n'ime ngwa ahu
Rue ajuju ndi a n'ime ngwa ahu
Akwụkwọ A Na-atụ Aro
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Calculations Involving Time? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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