Mathematics Specification B - 4MB1 PearsonEdexcel

Sequences

Akopọ

A savings account that grows by the same amount each month, the number of tiles needed as a patio grows ring by ring, a population that doubles at fixed intervals: patterns like these are sequences, and spotting the rule behind them lets you predict any term without listing every one in between.

This topic trains you to recognise sequences built from a common difference, to recognise the handful of integer sequences that appear again and again in mathematics, and to continue any given sequence confidently, including ones where the pattern is not obvious at first glance.

Awọn Afojusun

  1. Recognise sequences with a common difference or common integer sequences, and continue a given sequence

Akọ̀wé Ẹ̀kọ́

A sequence is a list of numbers, called terms, arranged in a definite order according to some rule. Once the rule is identified, the sequence can be continued indefinitely, or a specific term far along the list can be found without writing out everything before it.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Sequences. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. What is the common difference of the sequence 12, 15, 18, 21? A) 2 B) 3 C) 4 D) 12 Answer: B
  2. Which sequence is the triangular numbers? A) 1, 2, 4, 8, 16 B) 1, 4, 9, 16, 25 C) 1, 3, 6, 10, 15 D) 2, 3, 5, 7, 11 Answer: C
  3. A sequence begins 2, 6, 12, 20 with second differences that are constant. What is the constant second difference? A) 1 B) 2 C) 4 D) 6 Answer: B
  4. The nth term of a sequence is 4n - 1. What is the 10th term? A) 35 B) 39 C) 40 D) 41 Answer: B
  5. In a Fibonacci-type sequence starting 2, 5, what is the fourth term? A) 7 B) 10 C) 12 D) 17 Answer: C

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Sequences? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.

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