Step-by-step practice Maths textbook

Chapter 9: Length and mass

  • Strand Measurement
  • Level Level 3
  • Practice 105 questions with step-by-step solutions

Step-by-step practice: maths (Level 3). Small steps, repeated until fluent. Content: Choose and use metres or centimetres to estimate and measure a length (M1), Choose and use kilograms or grams to estimate and weigh a mass (M2), Measure to the nearest appropriate unit with a ruler or a scale (M5), Compare and order lengths and masses, using and = (M6), Add and subtract lengths and masses in m and cm, and kg and g.

Open Level 3 chapter

By the end of this chapter you will be able to

  • Choose metres, centimetres, kilograms or grams
  • Measure a length with a ruler to the nearest centimetre
  • Read a scale to the nearest mark
  • Know 100 cm = 1 m and 1000 g = 1 kg
  • Compare, order, add and subtract lengths and masses

You should already know

  • Counting in tens and hundreds (chapter 1)
  • Adding and subtracting within 1000 (chapters 4 and 5)

Where this leads

  • Level 3 check (chapter 10)

Lessons in this chapter

  1. 9.1 Choosing metres, centimetres, kilograms and grams
  2. 9.2 Measuring with a ruler and reading a scale
  3. 9.3 Changing units, and comparing lengths and masses
  4. 9.4 Ordering lengths and masses
  5. 9.5 Adding and subtracting lengths and masses
  6. Summary and key words
  7. Check-up and practice test questions

Read the whole chapter on one page (good for printing).