Mathematics - International - 0607 CIE

Units Of Measure

Overview

Every measurement you ever take comes with a unit attached. A length of 2 means nothing until you say 2 what: metres, centimetres or kilometres. The metric system makes life easy because every step up or down is a power of ten, so converting between units is just a matter of multiplying or dividing by 10, 100 or 1000.

In this lesson you will learn the everyday metric units for mass, length, area, volume and capacity, and how to convert confidently between larger and smaller units. You will also meet the trap that catches more students than any other: converting areas and volumes, where the conversion factor must be squared or cubed. Get that one idea right and a whole family of mensuration questions becomes routine.

Objectives

  1. Use metric units of mass, length, area, volume and capacity in practical situations and convert quantities into larger or smaller units.

Lesson Note

Measurements turn up everywhere: the height of a room, the mass of a parcel, the petrol in a tank. None of these make sense without a unit, and real problems often mix units up, giving a length in metres but asking for an answer in centimetres. Being able to switch units quickly and correctly is the foundation for every area, volume and capacity calculation in this section.

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Lesson Evaluation

Congratulations on completing the lesson on Units Of Measure. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

  1. Convert 2.5 m to centimetres. A. 25 cm B. 250 cm C. 2500 cm D. 0.025 cm Answer: B
  2. Convert 3000 g to kilograms. A. 0.3 kg B. 3 kg C. 30 kg D. 300 kg Answer: B
  3. How many square centimetres are there in 1 square metre? A. 100 B. 1000 C. 10000 D. 1000000 Answer: C
  4. A bottle holds 2 litres. What is this in cubic centimetres? A. 20 cm^3 B. 200 cm^3 C. 2000 cm^3 D. 20000 cm^3 Answer: C
  5. How many cubic centimetres are there in 1 cubic metre? A. 1000 B. 10000 C. 100000 D. 1000000 Answer: D

Available on the Green Bridge App

Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.

Full lesson notes with diagrams
AI-powered learning assistant
Study offline, anytime, anywhere
Available on Android, Windows, macOS, and Linux

Available on the Green Bridge App

Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.

Full lesson notes with diagrams
AI-powered learning assistant
Study offline, anytime, anywhere
Available on Android, Windows, macOS, and Linux

Practice Mock Questions

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