Mathematics Specification A - 4MA1 PearsonEdexcel

Measures

Akopọ

Measures connect mathematics to the physical world. Every time you read a thermometer, time a race, estimate the height of a building or calculate how fast a car is travelling, you are applying the ideas in this topic. Fluency with scales, units and compound measures is essential across science, geography and everyday life.

You will learn to read scales accurately, convert between 12-hour and 24-hour time, estimate real-world quantities sensibly, measure and describe angles using three-figure bearings, and work with the compound measures speed, density and pressure using their defining formulae.

Awọn Afojusun

  1. Interpret scales on a range of measuring instruments
  2. Calculate time intervals in terms of the 24-hour and the 12-hour clock
  3. Make sensible estimates of a range of measures
  4. Understand angle measure including three-figure bearings
  5. Measure an angle to the nearest degree
  6. Understand and use the relationship between average speed, distance and time
  7. Use compound measure such as speed, density and pressure

Akọ̀wé Ẹ̀kọ́

A nurse reads a thermometer graduated in half-degree intervals. A pilot reports a heading of 072 degrees to air-traffic control. An engineer calculates whether a bridge can withstand a pressure of 850 kPa. Behind each of these tasks lies the same skill: extracting a reliable number from a measuring instrument or formula and knowing what it means.

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.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Measures. 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. A thermometer has labelled marks at 20 and 30 with 5 small divisions between them. The reading is 2 divisions above 20. What is the temperature? A) 22 B) 24 C) 25 D) 28 Answer: B
  2. A train departs at 14:35 and arrives at 17:10. How long is the journey? A) 2 hours 25 minutes B) 2 hours 35 minutes C) 3 hours 25 minutes D) 2 hours 45 minutes Answer: B
  3. The bearing of point B from point A is 245 degrees. What is the bearing of A from B? A) 065 degrees B) 425 degrees C) 155 degrees D) 045 degrees Answer: A
  4. A car travels 150 km in 2 hours 30 minutes. What is the average speed? A) 75 km/h B) 50 km/h C) 60 km/h D) 65 km/h Answer: C
  5. A block has a mass of 240 g and a volume of 80 cm cubed. What is its density? A) 0.3 g/cm cubed B) 3 g/cm cubed C) 30 g/cm cubed D) 320 g/cm cubed Answer: B

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 Measures? 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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