The Four Operations
Gbogbo ọrọ náà
Addition, subtraction, multiplication and division are the four operations every other piece of mathematics is built on. The skill that matters at IGCSE is not just doing each one, but doing them in the right order and handling negatives, fractions and decimals without slips.
In this lesson you will work through the order of operations (BIDMAS), calculate confidently with negative numbers, and add, subtract, multiply and divide fractions and decimals. Getting these foundations automatic frees up your attention for the harder ideas later in the course.
Ebumnobi
- Use the four operations for calculations with integers, fractions and decimals, including correct ordering of operations and use of brackets.
Nkuzi Olu
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Maapụ uche
E seela isiokwu a ka ị hụ otu echiche si ejikọta.
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Kaadị ncheta
Omume ncheta ngwa ngwa n'ihe a na-anwale n'isiokwu a.
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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 The Four Operations. 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.
- Work out 5 + 2 x 3^2. A. 23 B. 63 C. 21 D. 19 Answer: A
- Work out 3 - (-5). A. -8 B. -2 C. 2 D. 8 Answer: D
- Work out (-4) x (-3). A. -12 B. -7 C. 7 D. 12 Answer: D
- Work out 2/3 + 1/4. A. 3/7 B. 11/12 C. 2/12 D. 3/12 Answer: B
- Work out 3/5 ÷ 2/7. A. 6/35 B. 5/12 C. 21/10 D. 10/21 Answer: C
Rue ajuju ndi a n'ime ngwa ahu
Rue ajuju ndi a n'ime ngwa ahu
Akwụkwọ A Na-atụ Aro
Mụtakwuo ihe site na isi mmalite mepere emepe
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Akụkụ akwụkwọ
Fractions
Simplify fractions
"Intermediate Algebra: Fractions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/intermediate-algebra/pages/1-3-fractions. Access for free at https://openstax.org/books/intermediate-algebra/pages/1-introduction
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Akụkụ akwụkwọ
Decimals and Fractions
Convert fractions to decimals
"Prealgebra: Decimals and Fractions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/5-3-decimals-and-fractions. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
Ndị otu ndị ọzọ bipụtara ha n'okpuru ikike mepere emepe, anyị na-ekele ha dị ka ha si chọọ. Njikọ na-emepe saịtị ha.
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara The Four Operations? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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