New
New
Year 4

Convert from days to weeks and months to years

I can use knowledge of the units of time to convert from days to weeks and years to months.

New
New
Year 4

Convert from days to weeks and months to years

I can use knowledge of the units of time to convert from days to weeks and years to months.

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Lesson details

Key learning points

  1. There are 7 days in a week
  2. There are 12 months in a year
  3. There are between 28 and 31 days in a month

Keywords

  • Day - Any 24 hour period.

  • Week - Any seven day time period.

  • Month - One of the 12 parts of the year.

Common misconception

Pupils will need to be able to count in steps of 7 and 12 to succeed in this lesson and have a good recall of the 7 and 12 times tables. Calculation errors will occur frequently if not.

Consider pre-teaching pupils still insecure with this, and / or providing scaffolding such as a times tables grid.

A double number line is explored as a means of conceptualising the conversion between days and weeks. This can also be used as a support or a scaffold for pupils during Practice tasks.
Teacher tip

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).

Lesson video

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6 Questions

Q1.
How many days are there in one week? days.
Correct Answer: 7, seven
Q2.
How many months are there in a year?
Correct Answer: 12, twelve
Q3.
Select all the multiples of 7
Correct answer: 70
Correct answer: 21
27
47
Correct answer: 49
Q4.
Select all the multiples of 12
Correct answer: 120
Correct answer: 48
70
37
Correct answer: 60
Q5.
× 7 = 84
Correct Answer: 12, twelve
Q6.
12 × = 60
Correct Answer: 5, five

6 Questions

Q1.
How many days are there in 3 weeks?
Correct Answer: 21, twenty one
Q2.
How many months are there in 3 years?
Correct Answer: 36, thirty six
Q3.
2 weeks and 3 days is the same as how many days?
16
Correct answer: 17
18
Q4.
2 years and 3 months is the same as how many months?
Correct answer: 27
28
29
Q5.
Order these durations from shortest to longest.
1 - 34 days
2 - 5 weeks
3 - 36 days
4 - 5 weeks and 2 days
Q6.
Order these durations from shortest to longest.
1 - 47 months
2 - 4 years
3 - 49 months
4 - 4 years and 2 months