Module 5 Measuring
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Can I convert between units?

Example review questions

  • 5-second mental questions
    • How many metres are there in 2.5 kilometres?
    • Change 2400 millilitres into litres.
    • How many centimetres are there in one and a half metres?
    • How many grams are there in 11 kilograms?
  • 10-second mental questions
    • How many millilitres are there in one and a quarter litres?
    • How many centimetres are there in three-quarters of a metre?
    • Which is greater, 2.5 metres or 255 cm? How do you know?
    • How do you write 5 metres 6 centimetres as a decimal number of metres?

Teaching guidance

This teaching guidance document suggests some of the key vocabulary, models, images and practical equipment that children should experience and be able to use. It also includes some teaching tips to provide a few starting points for ways of supporting children with this area of mathematics.

PDF file Can I convert between units? - teaching guidance | 70KB new window

Consolidation and practice

These resources are to support children in guided or independent work. Roll over the highlighted resource for a description.

PDF file How to use moving digits ITP | 160KB new window

SWF file Moving digits ITP | 33KB new window

XLS file Converting units of measure | 135KB new window

XLS file Converting units of measure guide| 200KB new window

XLS file Converting measures | 53KB new window

PDF file Springboard 7, Unit 11, Sections 1 and 3 Mass (weight), Capacity | 1.2MB new window

Moving digits

itp_moving_digits.png

This interactive teaching program (ITP) is an ICT-based tool to support the exploration of place value. Moving digits ITP allows the child or teacher to place and move digits on a place value board, investigating the effects of multiplying and dividing by 10 or 100.

Opportunities to use and apply

Possible contexts include:

  • solving problems involving calculation, e.g. How many
    300-ml tumblers of orange juice can I pour from a 2-litre bottle?
  • How many 55-cm lengths of wood can I cut from a
    2.4-metre length?
  • I have three punnets of strawberries holding 1.4 kg, 754 g and 1040 g. What mass of strawberries do I have altogether?
  • Ashley travelled 34.24 km by car, 2.7 km by bus and 1000 m on foot. How many kilometres did he travel? How many metres?

Confirming learning

Ask probing questions such as:

  • Can you record step-by-step instructions for converting from:
    • centimetres to kilometres;
    • kilograms to grams?
  • Circle one amount to make this conversion correct:
    0.37 litres = 37 ml     3700 ml     3.7 ml     370 ml
  • In the question above, Jo circles 37 ml. What might she be doing wrong? How could you explain how to find the right answer?
  • Jude says that 4.6 kilometres is the same as 460 metres. Is he correct? Why?