Telling the time made easy at KS1 and KS2. A fail-safe step by step technique for teaching telling the time at primary school from an experienced Headteacher.
In my previous blog, I wrote about how to help children overcome common Maths misconceptions. In it, I explained how children’s pre-existing schemas can get in the way of new learning and how to present information in small steps to prevent cognitive overload.
Like the areas of Maths discussed in that blog, learning to tell the time is a topic that many children find particularly difficult. However, with time, old schemas conflicting with new ideas is not necessarily the problem.
Instead, the difficulty arises from the need to concentrate on two sets of different ideas at the same time. Put simply, teaching telling the time to KS1 or KS2 children can their working memory.
Working memory and telling the time
Our working memory is the place in our brains where we do our active thinking. Generally, it can only handle about four different things at any given time. If we try to process more than that, we will likely experience cognitive overload.
Imagine going to a supermarket and not having a basket. You can carry about four things just fine. But but as soon as you try to pick up any more items, you realise there isn’t room. You have to drop one of the items you were previously carrying.
Our working memory is a bit like that. Ask it to think of too many things at once and it will start dropping items.
The solution to this is to make sure we introduce concepts slowly, in small steps, so pupils’ working memories are not overloaded with too much at once.
Reducing cognitive load when teaching telling the time
An easy way to cut down the cognitive load involved in learning to tell the time is to separate out learning how the hour hand works and learning how the minute hand works.
If you would like to learn more about cognitive load then take a look at the first in a new series of blogs by Clare – “How I Wish I Taught Maths – An Introduction To Cognitive Load” and let us know what you think.
It’s simple when you think about it. The hour hand counts in ones whereas the minute hand counts in fives but also indicates fractions. It’s inherently confusing to teach them together.
Instead of teaching time to children using both the hour and minute hand at the same time, start by teaching it using the hour hand only. When (and only when) that is securely understood, should you introduce the minute hand.
In an ideal world, the clocks in our classrooms would only have hour hands for this part of teaching. If you have the sort of clock that you can easily remove the minute hand from, then I’d do it. You’ll be amazed how easy it is to roughly tell the time by the position of the hour hand alone.
Still, whether or not you can do that, here are my top methods for teaching time at KS1 and KS2, to ensure all primary pupils are proficient at telling the time.
Telling the time at KS1: Teaching the hour hand
When teaching KS1 how to tell the time, first make sure that children really understand that a clock face is just a special kind of number line.
In order to do this, write the numbers one to twelve on mini post its (or similar), then display them horizontally in a line from 1 to 12, equally spaced, with a gap in between each one. Then make an arrow representing the “hand” (note: calling it a hand when it is an arrow will baffle some children!)
Next, explain that when the hand points to a number, this tells us how many hours it is. Make sure you point exactly at the number and not slightly to the left or right of it. Tell the children that instead of saying ‘three hours’ we say ‘three o’clock’.
Give the children their own set of post its and hands and repeat this enough times on different hours until everyone can do it. This step is pretty easy, but it gets harder.
Once this is secure, model how we can use our number line to find out what time it will be one hour later. Model moving the arrow from three to four to move one hour. Then extend to two hours later and so on.
When you get to 12 and ask what time it is one hour later, explain that instead of going up to 13, we put the numbers in a circle and start back at 1.
Then move your post its into a circle, in familiar clock face style with the arrow in the middle
Again ask what is one hour later for various times, culminating in asking what is one hour later for 12 o’clock. Now pupils can see that it must be 1 o’clock.
Extend this by doing an example of two hours later, three hours later, and so on, from various starting points.
At this point, you may feel your children are ready for you to explain how we can use our clock to find out what time is one hour earlier than 3 o’clock.
Notice I haven’t introduced half past at all yet. I am going to wait until I am convinced everybody has really mastered using their clock as a circular number line to count on and back in whole hours to find out how many hours later and earlier something is.
I will include questions such as ‘if it is 4 o’clock now, what time was it 2 hours earlier? And ‘I left home at 10 o’clock and got to the shops at 12 o’clock, how long did it take me?’
I will resist the temptation to rush on to half past until we can all do this!
Telling the time at KS1: Teaching half past
If (and only if) we are secure in our understanding of hours, my next step will be to introduce the concept of half past.
Going back to my horizonfirsttal number line, I will position the hand half way “past” the 2 and 3, as below:
I will explain that because the hour hand is halfway between the 2 and 3 (or half way past the 2) we say it is half past 2. This means it is half way past two hours. Repeat for various numbers.
Then, once again, rearrange your post its into a clock face to model a clock and get children to show various times using their hour hand only clocks. Then ask what time it will be half an hour later and show how it will be 3 o’clock.
Then half past 3, and so on. Repeat this using your hour hand only example and get the children to do the same.
Once this is secure, there is lots of Maths you can do using your circular number line to work out what time it will be:
- Half an hour later
- Half an hour earlier
- An hour and a half earlier
- An hour and a half later
All four of these options should include examples that bridge 12. This video features a teacher explaining how she teaches o’clock and half past in this way. Also this website contains a useful teaching clock to help (you can turn different hands “white” so you can only see the hour, minute or second hand).
Finally, at this stage, the children are ready for the familiar worksheet with clock faces showing o’clock and half past. Although you will of course have removed the minute hands from these!
Tell the children that when they see a clock with two hands, to ignore the other hand for now and that they will still be able to tell if it is o’clock or half past or nearly o’clock or half past.
Throughout the day when you are teaching telling the time draw attention to the class clock and say things like, “we go to PE at 2:30 and look, the hand is almost half way between the 2 and the 3, that must mean it is almost 2:30, so in a few minutes it will be time for PE.”
This is so much easier than having to remember about a 6 meaning half past. I showed my Year One Teacher how to teach time using this method and she was thrilled how easy it was for them.
Telling the time At KS1: Teaching quarter past and quarter to
The next lesson, ask the children what time they think this might be?
Point out that is it not half way past yet so it can’t be half past, but it is past the two, so it can’t be two o’clock.
Move your 2 and 3 post its really far apart (away from the rest of the number line) and place the hand at half past. Then add another identical hand half way between 2 and the half past hand:
Then remove the half past hand:
Introduce the idea that this is quarter past (i.e. halfway between o’clock and half past). Then model this on the full 1 – 12 timeline, before moving to show it on your adapted clock face. Next, get the children to use their adapted clock faces to show quarter past various times. Then repeat the whole process for quarter to.
We won’t introduce using our clock to work out what quarter of an hour earlier or later is at this point, as their concept of one quarter is probably hazy and we can leave that until they have done a lot more work on fractions.
At this stage it’s worth pointing out to pupils that it can be difficult to know exactly where to put our hour hand for quarter past and quarter to, because the hour numbers are quite close together. This will pave the way for introducing the minute hand.
Telling the time at KS1: Teaching the minute hand
We will initially introduce the minute hand by emphasising the position (rather than the number) to which they are pointing. Introduce the minute hand as a tool to help us check that we have read the hour hand correctly using a clock face, without numbers divided into quarters.
Explain that when the minute hand points straight up, that means it’s o’clock. Turn the hand to show half a turn, so the hand is straight down. Its turned half way around so this shows it is half past. Leave quarters for a while, until these first two are secure.
Getting the children to stand up and do half turns themselves can help here, as some children find the whole concept of turns really tricky.
Then get the children on their little clocks to make o’clock and half past using the minute hand (their clocks should only have a minute hand which should be longer than the hour hand they have previously been using).
At this point you will need two clock faces. One is going to show the hours and the other will show just the minutes.
Now, using both clocks side by side, show how the minute hand is there to help us check we have read the hour hand correctly. Demonstrate this on your two post it clocks like this:
Explain that we look at our hour clock first. It looks like it’s be 2 o’clock. But now we check by looking at our minute clock. Is the minute hand pointing straight up? If yes, then we’ve checked its 2 o’clock.
One important thing to note (that seems obvious to us but is not to some children) is this: when we say the hand is pointing, we mean the very tip of the arrow and not the wider parts of the arrowhead.
Make this clear by drawing lines from the tip out to the circumference of the circle can help children see what we mean.
This is also a useful strategy for later, to show when the hand might at first glance seem to be pointing “at” a numeral but is actually a little way past.
Go through the same procedure for half past. Check the hour hand clock first. It looks like it is halfway between the 2 and the 3, so it is probably half past 2:
So let’s check by looking at the minute hand:
It is pointing straight down, so we were right, it was half past. Then show this clock:
Reflect on how, in this instance, it is hard to tell exactly where the hour hand is pointing. Draw a line onwards from the arrow tip.
This will show that it is slightly past the 2, so must be later than 2 o’clock, but not quite half way between the 2 and the 3, so it is probably not half past either.
Maybe it is quarter past. At this point, ask: has our minute hand gone a quarter of the way around its clock? If so, we will know it is quarter past. Now you’re ready to introduce the quarter turn and the idea of quarter past.
Do lots of examples where children have to read the two clocks side by side, as below:
When you introduce quarter to, do this by using your minute hand clock starting straight up and moving the minute hand backward towards what would be the ‘9’ position, were you using numbers.
Explain how the hand is now a quarter of the way to the top, so is showing a quarter to:
Children will need lots of practice reading examples like these, but once they have got it, you can make the point that in real life, people don’t wear two watches.
In real life, both hands are on the same watch. To read a real clock or watch, make sure you read the hour hand first and then use the the minute hand to check you were right. At this point, you can finally introduce regular clocks and do lots of practice reading o’clock, half past, quarter past and quarter to.
Are you considering our 1-to-1 maths interventions for your school?
If you’re looking for a way to make a drastic improvement in maths attainment next year, particularly for SATs, you can take advantage of our new introductory offer on our 1-to-1 intervention for schools joining us in autumn 2018.
Book your no commitment 10 minute demo to discover the impact our 1-to-1 interventions can have for your pupils – it’s never been easier or more affordable. Call us on 0203 771 0095 or contact us here to learn more about how we can help turbocharge maths in your school, even for low prior attainers!
Telling the time at KS2: Teaching the minutes
In order to introduce reading the minute hand using numbers rather than just position, we will revert to using two clocks.
But before that, spend a while helping children understand how long a minute is. To do this, see how many paper clips children can pick up one at a time in just one minute, or how many jumps, or what it feels like to be completely still and silent for one minute.
Explain there are 60 minutes in one hour, showing the sort of clock shown below, where every minute is marked. Children could try counting too, in order to check that there really are 60 spaces!
Then ask the children to make a 1 to 12 number line using cubes grouped in 5s. Explain that we are doing it on a number line first to make it easier and that each cube represents one minute. Also explain that rather than having to count the minutes in ones they are grouped in fives, to make it easier.
Model counting along the clock, while counting the groups of 5 cubes (so 5,10 15, 20 etc). Add a second row of post its above the first, with these multiples of 5 on them, but the last one put a 0 as well as a 60.
This is because we will initially express all times in terms of minutes past the hour, and come back later to learning how to express time in term of minutes to the next hour.
So, now place your minute hand on the number line at various points:
Explain that when the minute hand points to 4, that means it is 20 minutes past whatever number the hour hand is showing. And so on for all the numbers from 1 to 11. Then explain that if it points to 12 that’s a whole hour. We don’t say 3:60, we say 4 o’clock.
Your next step will be to reintroduce our two clocks. In groups, children should make two clocks using post its or as in the picture below.
The minute clock needs to have groups of 5 cubes separating each numeral, and a second circle of digits with the multiples of 5 forming a second outer ring. Go through a series of examples where children have to read the hour clock first, and then then minute clock.
Do make sure you try and get the hour hand to be in the right place for the minutes!
At this point the children are probably ready to read both hands on the same clock at the same time. Here, do the more usual worksheet practice (but still not expressing time as minutes to the hour).
Final Step for Teaching Telling the time: Introducing minutes to the hour
In order to introduce minutes to the hour, make the link between quarter past, half past and the :15 and :30 versions. Then use :45 to point out the discrepancy.
We say 45 minutes past 9 but a quarter to 10. On the cube clock, count in 5s anti clockwise from 12 back to 7, writing these numbers to form a third ring.
Then, point to number 11. Say ‘When the minute hand points to 11, this shows it is 55 minutes past the hour but 5 minutes to the next hour.’
Next point to 10. Say, ‘when the minute hand points to 10, this shows it is 50 minutes past the hour but 10 minutes to the next hour’, and so on up to 25.
As previously, do this on two clocks. Read the hour first, then give the time in minutes past, then finally in minutes to, reminding students that as it is ‘to’ the next hour. Again, allow plenty of practice before swapping to both hands on the same clock (and then lots more practice!)
If children get stuck learning to telling the time
If children get stuck, back track and consolidate the previous step. Some children may find the minutes to part a step too far for now. In which case, leave it and let them become really proficient in telling the time in terms of minutes to the hour. Come back to that next term.
In the interim, practise telling the time every day in class (using minutes to the hour) so that this becomes something children can do easily and automatically.
As you teach this, you will see that having broken it down into tiny steps shows just how complex telling the time actually is. It is a topic where we expect children to coordinate lots of different things simultaneously, which quickly overwhelms the working memory.
However, if we give children plenty of time to practise each component aspect separately, this step will become stored in the long term memory as a ‘chunk’.
In the same way we no longer consciously sound out every letter when we read but can just ‘see’ what a word says, given sufficient practice, children will be able to just’ read’ a clock or watch.
As in all teaching, whenever children struggle with something we are trying to teach them, it is worth asking: have we overwhelmed their working memory by underestimating how complex something is.
What seems simple to an ‘expert’ may well be composed of many tiny steps, each of which need teaching separately.
Other blogs by Clare Sealy
Enjoyed this? Read about the 20 Maths strategies (KS2) we use to guarantee progress for all pupils.