Mathematics - International - 0607 CIE

Time

Gbogbo ọrọ náà

Telling and calculating with time is a skill we use every day, yet it trips people up because time is not based on tens: there are 60 seconds in a minute and 60 minutes in an hour. Reading timetables and working out durations correctly is a small skill that prevents big mistakes.

In this lesson you will calculate with units of time, switch between the 12-hour and 24-hour clock, and read clocks and timetables to work out durations and arrival times.

Ebumnobi

Calculate with time: seconds (s), minutes (min), hours (h), days, weeks, months, years, including the relationship between units.
Calculate times in terms of the 24-hour and 12-hour clock.
Read clocks and timetables.

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

Time questions test careful reasoning rather than hard arithmetic. The trap is treating time as if it were decimal, so a clear method for durations and clock conversions protects easy marks.

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.

Akwụkwọ ndụmọdụ zuru oke nwere eserese

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Ule nnwale nwere oge a na-ahazi ozugbo i mechara

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Nnyocha Ọmụmụ

Ekele diri gi maka imecha ihe karịrị na 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 3:45 pm using the 24-hour clock. A. 03:45 B. 13:45 C. 15:45 D. 16:45 Answer: C
A train leaves at 14:35 and arrives at 16:20. How long is the journey? A. 1 h 45 min B. 1 h 85 min C. 2 h 15 min D. 1 h 55 min Answer: A
How many minutes are there in 2.5 hours? A. 125 B. 150 C. 210 D. 250 Answer: B
Write 08:20 using the 12-hour clock. A. 8:20 am B. 8:20 pm C. 20:08 D. 8:02 am Answer: A
1 hour 15 minutes written as a decimal number of hours is: A. 1.15 B. 1.25 C. 1.5 D. 1.75 Answer: B

Rue ajuju ndi a n'ime ngwa ahu