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Important update from TheSchoolRun
For the past 13 years, TheSchoolRun has been run by a small team of mums working from home, dedicated to providing quality educational resources to primary school parents. Unfortunately, rising supplier costs and falling revenue have made it impossible for us to continue operating, and we’ve had to make the difficult decision to close. The good news: We’ve arranged for another educational provider to take over many of our resources. These will be hosted on a new portal, where the content will be updated and expanded to support your child’s learning.
What this means for subscribers:
- Your subscription is still active, and for now, you can keep using the website as normal — just log in with your usual details to access all our articles and resources*.
- In a few months, all resources will move to the new portal. You’ll continue to have access there until your subscription ends. We’ll send you full details nearer the time.
- As a thank you for your support, we’ll also be sending you 16 primary school eBooks (worth £108.84) to download and keep.
A few changes to be aware of:
- The Learning Journey weekly email has ended, but your child’s plan will still be updated on your dashboard each Monday. Just log in to see the recommended worksheets.
- The 11+ weekly emails have now ended. We sent you all the remaining emails in the series at the end of March — please check your inbox (and spam folder) if you haven’t seen them. You can also follow the full programme here: 11+ Learning Journey.
If you have any questions, please contact us at [email protected]. Thank you for being part of our journey it’s been a privilege to support your family’s learning.
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Probability and estimates worksheets
Free worksheets: Probability and estimates, KS2
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Explaining probability
Probability is when we make judgements on whether something is likely to happen or not. Probability can be described in words, or more accurately in terms of fractions and percentages. Where would you put these statements on the probability line?
Coin flipping investigation
When you flip a coin, there is an even chance that you will get either a head or a tail. This means that the chance of getting either is equally likely. Does the starting position of the coin affect the probability? Let’s find out!
Estimate the price game
This is a game for 2 to 4 players. The aim of the game is to correctly estimate the correct price of an item. The game host holds all the item cards. Players are assigned an item and take it in turns to guess the price. The person closest to the correct answer ‘wins’ that item and is given the card. The first person with 3 cards wins!
The probability scale
Cut out these events and stick them where you think they should go on the probability scale. Remember, the probability scale starts at 0 and ends at 1, so you’ll need to be good with your decimals!
Probability Piranhas game
You are going to go piranha fishing in The Amazon using piranha cages! But there is a likelihood of river rapids, so you'll have to decide whether to put your piranha cages shallow or deep...
Coin flipping investigation
When you flip a coin, there is an even chance that you will get either a head or a tail. This means that the chance of getting either is equally likely. Does the starting position of the coin affect the probability? Let’s find out!
Estimating to calculate
Before we do a calculation it’s useful to make a quick estimate. This helps because when we complete the calculation we will know if we are right or not based on the closeness to the estimation.Can you estimate the answers to the following? Remember to estimate, don’t do the working out!
Estimating measures
Estimating is all about making SENSIBLE guesses, based on things we already know. Have a go yourself!
Estimate the price game
This is a game for 2 to 4 players. The aim of the game is to correctly estimate the correct price of an item. The game host holds all the item cards. Players are assigned an item and take it in turns to guess the price. The person closest to the correct answer ‘wins’ that item and is given the card. The first person with 3 cards wins!
Maths card games for KS1 and KS2
Playing with cards might seem old-fashioned in our screen-loving age, but maths card games will help your child become fluent and confident with numbers – without them even realising they're exercising their maths thinking brain. From number bonds to fractions and probability, try some of our traditional or adapted card games to practise basic maths concepts.
Probability word problems
Can you answer these tricky probability word problems? Pencil at the ready...
Explaining probability
Probability is when we make judgements on whether something is likely to happen or not. Probability can be described in words, or more accurately in terms of fractions and percentages. Where would you put these statements on the probability line?
Testing probability
Millie is holding a bag of sweets. Imagine Millie picks a sweet out of the bag without looking. Read the following statements and tick which ones are correct.
Chance and likelihood
Jake has a spinner that looks like this. Can you work out which of the following statements are correct, thinking about chance and likelihood?
Estimating practice
At the school fair the children had to estimate how many sweets were in the jar. Look at their estimates and see who got it right. Now draw some sweets in this jar and ask an adult to make an estimate.
Estimate and count
Estimating is the big word for a ‘clever guess’. Look at these pictures. Without counting, estimate – make a clever guess – how many there are. Then check your estimate by counting and write the actual amount underneath.
Estimating and checking calculations
Susie has worked out answers to these calculations. Have a look through and estimate what you think the answer should be. Don’t spend ages working out the exact answer! Give Susie a tick if you think she is right or a cross if you think she is wrong. In the last column, explain why she is right or wrong. Afterwards, use a calculator to check whether Susie’s answers were right or not.
Making reasonable estimates
Here is a bucket of pebbles. Make an estimate: how many pebbles are there in the bucket? Check by counting the pebbles. Were you right? Remember, an estimate is a ‘clever guess’, a guess that we think carefully about before making.
Estimate and measure length
Rulers at the ready! Estimate how long you think each of these items is. (An estimate is a ‘clever guess’.) Then measure with your ruler. Were you right?
Checking estimates
Can you estimate how many sweets are in the jar? An estimate is a clever guess (so it’s like a guess, but something you think very carefully about before making!).
Cool maths games for kids
Add an extra learning dimension to family game time – try one of our Cool Maths board games and help reinforce your child's knowledge of number bonds, percentages and fractions while you play. Compiled by deputy headteacher Matt Revill and packed with 20 games, this maths learning pack covers all the key skills your child will need to master as part of the primary numeracy curriculum.
Practise estimating numbers
Practise estimating numbers by doing an experiment and guessing how many pegs you can hold in your hand. Repeat the experiment using marbles and enter the data in a table.
Estimating and checking times
This fun maths worksheet will help your child to estimate and check times using a simple timer, watch or clock.