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Year 5

Convert to and from fraction and decimal quantities of larger units

I can convert to and from fraction and decimal quantities of larger units.

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Share activities with pupils
New
New
Year 5

Convert to and from fraction and decimal quantities of larger units

I can convert to and from fraction and decimal quantities of larger units.

Download all resources
Share activities with pupils

Lesson details

Key learning points

  1. 1 mm = 0.001km
  2. 1 g = 0.001 kg
  3. 1 ml = 0.001 l
  4. 1 m = 0.001 km

Common misconception

Pupils see values like 0.25 l and convert it to 25 ml.

The lesson presents fractions and decimals as parts of whole circles. As long as pupils know that 1 l = 1,000 ml, they should see from the representation that 0.25 l = 250 ml as 250 + 250 + 250 + 250 = 1,000

Keywords

  • Equivalent - If two or more things have the same value, they are equivalent.

  • Convert - Convert means to change a value or expression from one form to another.

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Video

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Starter quiz

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6 Questions

Q1.
Match the unit of measure to the correct abbreviation.
Correct Answer:millimetre ,mm

mm

Correct Answer:metre,m

m

Correct Answer:millilitre ,ml

ml

Correct Answer:gram,g

g

Q2.
Match the unit of measure to the correct abbreviation.
Correct Answer:Kilogram ,kg

kg

Correct Answer:Kilometre,km

km

Correct Answer:Litre,l

l

Q3.
Select all of the statements that are true.
There are 100 ml in one litre.
Correct answer: There are 1,000 mm in one metre.
There are 10 m in one kilometre.
Correct answer: There are 1,000 g in one kilogram.
Q4.
Identify the unit fractions.
Correct answer: $$ \frac{1}{2} $$
$$ \frac{7}{10} $$
Correct answer: $$ \frac{1}{5} $$
$$ \frac{3}{4} $$
Q5.
Identify the non-unit fractions.
$$ \frac{1}{3} $$
Correct answer: $$ \frac{3}{5} $$
$$ \frac{1}{10} $$
Correct answer: $$ \frac{2}{4} $$
Q6.
Match the numbers to correctly complete this sentence. 1,000 divided by ___ = ___
Correct Answer:2,500

500

Correct Answer:4,250

250

Correct Answer:5,200

200

Correct Answer:10,100

100

Exit quiz

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6 Questions

Q1.
Which of these makes this statement correct? $$ \frac{1}{2} $$ kg = 0.5 kg = ___
50 g
Correct answer: 500 g
5 g
$$ \frac{1}{2} $$ g
Q2.
$$ \frac{1}{4} $$ km = 0.25 km = m
Correct Answer: 250, 250m
Q3.
$$ \frac{1}{5} $$ m = 0.2 m = mm
Correct Answer: 200, 200mm
Q4.
Which of these makes this statement correct? $$ \frac{1}{10} $$ l = 0.1 l = ___
1000 ml
10 ml
Correct answer: 100 ml
1.0 ml
Q5.
How many ml are there in the container? ml
An image in a quiz
Correct Answer: 300, 300ml
Q6.
Which of these makes this statement correct? If $$ \frac{1}{5} $$ l = 200 ml then $$ \frac{3}{5} $$ l = ___
200 ml
800 ml
Correct answer: 600 ml
400 ml

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