Securing understanding of place value in metric units | Maths

Starter quiz

Which of the following are not units of capacity?
- litre
- centilitre
- kilogram ✓
- millilitre
- metre ✓
Match the appropriate unit to each object.
- The length of a ruler is 15
  
  ⇔
  
  cm ✓
- The mass of cookie is 15
  
  ⇔
  
  grams ✓
- The capacity of a sink is 15
  
  ⇔
  
  litres ✓
- The length of a lorry is 15
  
  ⇔
  
  metres ✓
When measuring length, mass and capacity; the standard metric units are metre, gram and __________.
- 'litre' ✓
Instead of saying 1000 grams, you could say __________.
- 1 kg ✓
- 10 kg
- ${1}\over{10}$ kg
- ${1}\over{100}$ kg
What is the place value of the 7 in 172.5 kg?
- ones
- tens ✓
- hundreds
- tenths
- hundredths
Using place value and the meaning of the prefix, which of these is equivalent to 4 kilometres?
- 0.004 m
- ${4}\over{1000}$ m
- 400 m
- 4000 m ✓

Complete the sentence: "one kilogram is equal to ________"
- 100 grams
- 1000 grams ✓
- $1\over100$ gram
- $1\over1000$ gram
10 litres is equal to __________ millilitres?
- '10 000' ✓
Starting with the smallest, put these distances in order of size.
- 1
  
  ⇔
  
  1 mm
- 2
  
  ⇔
  
  1 cm
- 3
  
  ⇔
  
  1 m
- 4
  
  ⇔
  
  10 m
- 5
  
  ⇔
  
  0.1 km
- 6
  
  ⇔
  
  1 km
Which of these is heavier than 1.05 kg?
- 1006 g
- 106 g
- 10.6 g
- 1060 g ✓
- 1600 g ✓
Match the distances with their correct conversions.
- 35 m
  
  ⇔
  
  3500 cm ✓
- 35 km
  
  ⇔
  
  35 000 m ✓
- 35 cm
  
  ⇔
  
  350 mm ✓
- 0.35 km
  
  ⇔
  
  350 m ✓
The distance from Land's End (in Cornwall) to John O'Groats (in Scotland) is 970 km. Which of these are equivalent distances?
- 9700 m
- 97 000 m
- 970 000 m ✓
- 97 000 000 cm ✓
- 970 000 000 cm

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In order to compare metric measures, conversion may be necessary.
Metric measures can be converted by using place value.
Real-world examples can help us see if the conversions have the correct magnitude.

Kilo gram is 1000 bigger than a gram, so 40 g = 1000 x 40 kg

Kilo gram is 1000 bigger than a gram so 1 kg = 1000 g.

Metric - Metric units are based around the standard units of metre, gram and litre.
Prefix - A prefix is a group of letters attached to the front of a root (word) to make a new word, for example tricycle.
Centi - Centi placed before a unit means (1/100)
Milli - Milli placed before a unit means (1/1000)
Kilo - Kilo placed before a unit means 1000 times.