Mathematics Specification A - 4MA1 PearsonEdexcel

Fractions

Gbogbo ọrọ náà

Fractions express parts of a whole and sit at the heart of almost every topic in the Edexcel IGCSE specification, from ratio and proportion through to algebraic manipulation and probability. Confident fraction work on Paper 1 (non-calculator) is often the difference between losing and gaining marks.

You will learn to simplify, order, convert and calculate with fractions and mixed numbers, building fluency that transfers directly to algebra where the same rules apply with letters instead of digits.

Ebumnobi

Understand and use equivalent fractions, simplifying a fraction by cancelling common factors
Understand and use mixed numbers and vulgar fractions
Identify common denominators
Order fractions and calculate a given fraction of a given quantity
Express a given number as a fraction of another number
Use common denominators to add and subtract fractions and mixed numbers
Convert a fraction to a decimal or a percentage
Understand and use unit fractions as multiplicative inverses
Multiply and divide fractions and mixed numbers

Akọmọ Ojú-ẹkọ

Sharing a pizza equally among friends, reading a measuring jug, mixing paint in a given ratio: fractions describe portions of a quantity. Every fraction has a numerator (top) telling you how many parts you have, and a denominator (bottom) telling you how many equal parts the whole is divided into.

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Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Fractions. 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.

What is 3/4 as a percentage? A) 25% B) 34% C) 75% D) 80% Answer: C
Calculate 2/3 + 1/6. A) 3/9 B) 1/2 C) 5/6 D) 3/6 Answer: C
What is the reciprocal of 5/8? A) 3/8 B) 8/5 C) 5/3 D) 1/8 Answer: B
Simplify 24/36. A) 4/6 B) 12/18 C) 2/3 D) 3/4 Answer: C
What is 2 and 1/2 as an improper fraction? A) 3/2 B) 5/2 C) 4/2 D) 7/2 Answer: B